One of them is the time and money required to set up the plant. However, before we can have a view on the matter, we must know all the pieces of the puzzle. Learning about the advantages and disadvantages of nuclear energy helps people change their perception on this matter. Nuclear Reactions taking place in Sun and Nuclear Fusion. Even with its dangers and the difficulties involved in the disposal of radioactive waste, no other resource can provide what we need for society to move forward as consistently as this option. Answer: (c) nuclear energy Even though nuclear energy can help us make the world a better place, it can also be the spark that starts another world war. Earlier in the discussion about advantages and disadvantages of nuclear energy we saw how nuclear energy is beneficial, if used in the right manner and its scope utilised to the fullest. The first section of the chapter discusses a good source of energy and explains this with the help of activities.Here, some of the features of a good source of energy are listed. 5 mins. Question 1. It is a clean energy. Question 11. Science NCERT Grade 10, Chapter 14, Sources of Energy as the name suggests, talks about different sources of energy used to perform various activities. Copyright Notice © 2021 Greycells18 Media Limited and its licensors. Answer: In a nuclear reactor designed for electric power generation, such nuclear fuel can be part of a self sustaining fission chain reaction that releases energy at a controlled rate. At the moment, nuclear energy is still considered very controversial and a hot issue. You have to keep an eye on the waste storage plant, for it to be safe and check for radiation to be under limit. Most countries which use nuclear energy rely on other countries for the constant fuel supply. Nuclear Power. Large scale use of nuclear energy is prohibited because the nuclear fuel can be misused to make nuclear bomb. Clean Energy Source With Low To No Greenhouse Gases During Operation. Construction of Power Plant. Even though power plants have undergone recycling efforts of this nuclear waste product in recent years, storing the byproduct can lead to contamination through various containment failures. iii) Fission of one atom of uranium produces 10 million times the energy released by burning of one atom of carbon. As a participant in the Amazon Services LLC Associates Program, this site may earn from qualifying purchases. Nuclear energy protects air quality by producing massive amounts of carbon-free electricity. While measures ensure radiation and radioactive material do not leak into the environment, other heavy metals and pollutants often escape the chambers. This approach to power generation must be part of the energy solution in the future. Question 10. Decommissioning a nuclear plant and disposing of its waste is complex, hazardous, and expensive. Waste is radioactive and safe disposal is very difficult and expensive. Presently, approximately 10-15% of the world's electricity is generated through nuclear energy. Even if you do get permission to build a plant that uses nuclear energy, you stumble upon another disadvantage: the massive investment required to set up a functional nuclear power station. High cost of setting up of nuclear plant. ; On a single day, 2 high tides and 2 low tides are usually experienced by an ocean. Question 3. 2) Though large amount of energy can be produced from a nuclear power plant, it requires large capital cost. View solution. Using nuclear energy more responsible is mandatory to avoid any sort of major nuclear accident. Overview. 1) Nuclear reactions release a million times more energy, as compared to hydro or wind energy. My goal is to educate others about this great planet, and the ways we can help to protect it. Pros Of Nuclear Energy. When the plants come with structural flaws or people improperly install them, nuclear reactors could leak harmful amounts of radiation into the environment. Advantages of Nuclear Energy From a global perspective, the losses are even lower, as nuclear energy is responsible for about 10% of total power production. Things go to plan and as they are so complex, projects often suffer lengthy delays. 1. ii) It does not produce smoke. Contact us on below numbers. As we said before, this is a scarce resource and in limited supply. Verify your number to create your account, Sign up with different email address/mobile number, NEWSLETTER : Get latest updates in your inbox, Need assistance? Therefore, 1 eV is defined as the energy acquired by an election while passing through a potential difference of one volt. 4 mins. Just like other energy sources we people use, there can be advantages and disadvantages of nuclear energy. A nuclear power plant is a facility that converts atomic energy into usable power. Starting early can help you score better! By nuclear Energy large quantity of electricity can be generated. Nuclear fusion reactions and its examples. Electricity generation using Tidal energy . However, the same cannot be said about uranium, which is a very scarce resource. Biggest Disadvantages of Nuclear Energy. Kindly Sign up for a personalized experience. The sad news is that we still have no remedy for these cases. Nuclear energy. They are a non-renewable resource, i.e., once used they cannot be replaced. Avail. High Capital Costs. 1) The waste produced after fission reactions contains unstable elements and is highly radioactive. What are the advantages of nuclear energy Class 10? Moving Air is called windAnd energy produced from Wind is called Wind Energy.Wind is caused due to unequal heating of land and water bodies by the sun.This unequal heating generates air movement and causes winds to blow.This kinetic energy of wind is used to generate wind energy … Some advantages of nuclear energy are: (A) On equal mass basis, nuclear energy systems produce much more energy than fossil fuels. 3) Nuclear reactor uses uranium as fuel and we have high reserves of uranium in earth. Does not contribute to global warming. Setting up a nuclear plant is very expensive as it is considered cost-prohibitive … Today we’ll talk about the disadvantages to fill in the blanks and have a complete picture of the use of nuclear energy. (c) nuclear energy (d) coal Answer: (c) nuclear energy Q4 (NCERT): Most of the sources of energy we use represent stored solar energy. Nuclear power stations take a lot of time in planning and building. Nuclear power plants provide about 5.7% of the world's energy and 13% of the world's electricity. (a) geothermal energy (b) wind energy (c) nuclear energy (d) bio-mass. If you want to learn more about nuclear energy , nuclear energy sources, and its uses, check out this three-part YouTube series. Nuclear power stations are designed to work in a multiple-step process to help contain the energy and the many negative byproducts that result from this process. 9 mins. Afraid of a subject or a topic? Inelastic scattering: This process takes place when a transfer of energy occurs.It occurs above threshold energy.i.e E t = ((A+1)/A)* ε 1, where E t is called the inelastic threshold energy and ε 1 is the energy of the first excited state. The result is a steam that powers turbines. In spite of its many benefits, nuclear energy often falls under fire because of the many disadvantages it brings. High Costs. Save my name, email, and website in this browser for the next time I comment. ; A wave is not a Tide. Scientists create a nuclear reactor designs with several safety systems in mind that will contain the radiation emitted in the fission process. Here are ten disadvantages of nuclear energy that we have seen. Fuel Availability. It is a clean energy. The extraction of uranium is a very lengthy process especially because uranium is … Tidal Energy. The advantages and disadvantages of nuclear energy are clear. This has led to unpredictable and negative changes in the environment. Disadvantages of Nuclear energy: Hazardous nature of nuclear waste and risk of nuclear waste leakage. Generally dams are constructed towards narrow openings of sea. Disadvantages of Nuclear Energy : 1) The waste produced after fission reactions contains unstable elements and is highly radioactive. Only a few countries have uranium ore, which means that a tiresome process of getting the approval of several international authorities is required before anyone can build a nuclear power plant. … vaporized water … But these safety systems function adequately only when workers properly install and maintain them. Its leakage can cause dangerous radio-active pollution. Scientists and international forums still talk about the balance between the disadvantages of nuclear energy and its pros. (c) nuclear energy (d) coal Answer: (c) nuclear energy. Another unit for nuclear energy is Mega electron-volt (MeV).The nuclear energy of 1 MeV is defined as: The biggest challenge of nuclear power plant is to store the used fuel, as it would cover up a piece of land for a large number of years. Greenandgrowing.org is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com. The Office of Nuclear Energy within the U.S. Department of Energy (DOE) focuses its research primarily on maintaining the existing fleet of … I'm one of the main writers on the site; mostly dealing with environmental news and ways to live green. Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day. Meanwhile, nuclear power plants usually take 5 to 10 years to build because there is a mountain of legal formalities to be approved beforehand. The uranium they use in the process of nuclear fission reaction is a naturally unstable element. The alternative source of energy due to depletion of fossil fuels. Disadvantages of Nuclear Energy (1) The waste products of nuclear fission reactions (produced at nuclear power plants) are radioactive which keep on... (2) There is the risk of accidents in nuclear reactors (especially the old nuclear reactors). ii) It does not produce smoke. 5 mins. All rights reserved. It produces 62 percent of all emission-free electricity in the United States. Not only do they take up valuable land space, but they also could contaminate the surrounding areas. Learn Videos. When the incident at Chernobyl occurred, modern estimates suggest that up to 30,000 people were killed in the initial fallout and the aftermath of radiation settling into the ground. Sample Essay on Advantages and Disadvantages of Nuclear Energy Generation of electricity through nuclear energy has gone a long way to help prevent or at the very least mitigate global warming. Not only it is time taking, but it also needs a lot of investment. When we discovered nuclear energy, we found the power to produce more weapons. Uranium is currently the sole raw material for generating nuclear energy. (a) geothermal energy (b) wind energy (c) nuclear energy (d) bio-mass. Power plants are hot targets for terrorist organizations and extremist militants, which makes security a major concern. List of the Disadvantages of Nuclear Energy 1. That’s not to say that nuclear energy is not useful; we are just pointing out the risks that are also involved. (1) In a nuclear power plant, the fission of nuclear fuel uranium-235 is … Compared to coal, gas, and oil as energy sources … nuclear energy produces more clean-air energy than any other source. Developing countries can rarely afford to use nuclear energy because it’s such a costly source of alternative energy. We may also earn commissions on purchases from other retail websites. The same goes for the storing of any waste product resulting from the nuclear fission process; extra safety measures are meant to prevent uranium from emitting harmful levels of radiation. There were 439 nuclear power reactors in operation in the world, operating in 31 countries. Even if you do get permission to build a plant that uses nuclear energy, … 2) The biggest advantage of nuclear energy is that it does not generate any greenhouse gases (carbon dioxide , ozone , methane etc.). Nuclear Reactions – Types. Which of the following is not ultimately derived from the Sun’s energy? However, after the shutdown, the nuclear plants remain on location as abandoned reactors. Question 4. Disadvantages; Produces no polluting gases. Extra Questions for Class 10 Science Chapter 14 Very Short Answer Type. Also, it is not so easy to get all the clearance and authorization within a short period. The advantages of nuclear energy are: i) Large amount of energy is produced per unit mass. Hence, a large amount of electricity can be generated. Since companies mine it like any other metal, uranium’s availability is limited. -  Designed by Thrive Themes Class 10. It is important to understand the pros and cons of this energy in order to conclude whether it is as beneficial as those who advocate for it claim it to be. After the water cools down and changes back into liquid form, the plant pumps it outside into nearby wetlands. Copyright 2018 by Green and Growing. Nuclear fission reaction is a process through which uranium atoms split to generate heat. Most of the sources of energy we use represent stored solar energy. Easy. i) Large amount of energy is produced per unit mass. Combustion of fossil fuels makes the environment more acidic. Disadvantages of Nuclear Energy : Risk of nuclear waste leakage. Even if there are a lot of benefits of using nuclear energy, there are some disadvantages that can’t be sidelined. (B) If maintained and operated properly, nuclear energy systems produce almost no air pollution. Pollution of environment. It is very dangerous to the environment as well as human health, and remains so, for thousands of years. From a small amount of fuel, a large amount of energy is released. Disadvantages of Nuclear Energy. However, the problem is that shutdown reactors are often too unstable for other companies to demolish or remove them. The construction of a nuclear power station and its approval takes in the region of 10 to 20 years. The nuclear disaster at Hiroshima and Nagasaki caused during the Second World War is an everlasting memo of what nuclear energy and nuclear bombs can do. It is very dangerous... 2) Though large amount of energy can be produced from a nuclear power plant, it requires large capital cost. It is only in the high-use nations where transmission loss issues from nuclear energy are a serious issue. Harvesting of fossil fuels also causes fatal diseases among the people. It powers communities in 28 U.S. states and contributes to many non-electric applications, ranging from the medical field to space exploration. After the uranium splits to generate heat, the resulting byproducts are a radioactive material, which means workers need to conduct waste disposal in a safe way. We have learned to harness nuclear energy to produce electricity for our factories and homes. However, there is a great deal of radiation danger associated with Nuclear energy. There is always the threat of an accident when working with nuclear energy. Environmentalists for Nuclear Energy contend that nuclear power is a sustainable energy … On top of that, the people living nearby the potential site usually oppose the project. Even though more than five decades have passed since, many children are still born with physical and neurological defects. What are 2 advantages of nuclear energy? What are the advantages of nuclear energy? Many countries can find and mine fossil fuels. iii) Fission of one atom of uranium produces 10 million times the energy released by burning of one atom of carbon. Advantages of Nuclear Energy. Which of the following is not ultimately derived from the Sun’s energy? In other words, it means that the people working in mining, transporting, and storing of uranium must take special precautions. The rise and fall of sea level caused by the gravitational forces exerted by the Sun, Moon and the rotation of the Earth is called a Tide. ... From below which are the disadvantages of nuclear energy? The nuclear energy of 1 eV is equivalent to Joules: 1 eV = 1.6 x 10-19 C × 1 V = 1.6 × 10-19 CV or 1.6 × 10-19 J. . Steps involved in generating electricity: The fuel rods full of uranium pellets are placed in a nuclear reactor chamber. For example, if a containment field were to break suddenly, the radiation leak could be catastrophic. Answer: (b) wind energy. The hot water also gives off immense heat that damages the ecosystems nearby the reactor. ; Elastic Scattering: It occurs when there is energy transfer between particles and intends nuclei. In turn, they use these to produce the electricity that supplies the community surrounding the power plant. If you want to find out more facts about nuclear energy, as well as many of its advantages, check out this thorough article. Geothermal Energy. One gram of uranium-235 produces 8.25 × 10 7 kJ of energy whereas one gram of coal produces only 30 kJ. First Floor, Empire Complex, 414 Senapati Bapat Marg, Lower Parel, Mumbai - 400013, Maharashtra India. | Powered by WordPress. A lot of people believe that nuclear energy only comes with minimal disadvantages, easily outnumbered by the great numbers of advantages. Franchisee/Partner Enquiry (North, West & East), Join NOW to get access to exclusivestudy material for best results, For any content/service related issues please contact on this number. Then, this water turns into steam, which powers the massive turbines. People often mention exposure to radiation as a primary cause. Don’t worry, let us know and we will help you master it. Water needs to cool down the chambers where nuclear fission takes place. Extra Questions for Class 10 Science Chapter 14 Sources of Energy with Answers Solutions. Know and we have learned to harness nuclear energy are a serious issue diseases among the people in... Time i comment and authorization within a short period the use of energy... Are clear fuel can be generated of alternative energy station and its licensors liquid... And is highly radioactive learning about the advantages and disadvantages of nuclear energy are clear a energy... 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