Description : Hydrogen bomb employs the nuclear fusion of (A) Hydrogen (B) Deuterium (C) Tritium (D) Helium
Last Answer : (B) Deuterium
Description : Which one is radioactive in nature? (A) Helium (B) Deuterium (C) Heavy hydrogen (D) Tritium
Last Answer : (D) Tritium
Description : The decay product of tritium (a beta emitter) is (A) Lithium (B) Helium (C) Deuterium (D) Hydrogen
Last Answer : (B) Helium
Description : In the sun, helium is produced from hydrogen by: w) radioactive decay x) disintegration y) fission z) fusion
Last Answer : ANSWER: Z -- FUSION
Description : The lightest radioactive element is (1) deuterium (2) polonium (3) tritium (4) uranium
Last Answer : tritium
Description : Commercial power generation from fusion reactor is not yet possible, because (A) It is difficult to control nuclear fusion reaction (B) The fuel required (i.e., deuterium & tritium) is ... to initiate fusion reaction (D) Quantity of fuel required for initiating fusion reaction is prohibitively high
Last Answer : (A) It is difficult to control nuclear fusion reaction
Description : Commercial power generation from fusion reactor is not yet possible, because (A) It is difficult to control fusion reaction (B) The fuel required (e.g. deuterium and tritium) is scarce ... to initiate fusion reaction (D) Quantity of fuel required for initiating fusion reaction is prohibitively high
Last Answer : (A) It is difficult to control fusion reaction
Description : Which of the following is a fuel for a fusion reactor (thermonuclear reactor)? (A) Deuterium and tritium (B) U-233 (C) Thorium (D) Heavy water
Last Answer : (A) Deuterium and tritium
Description : Of the following, which is the best fuel for a nuclear fusion reactor: w) hydrogen x) lithium y) deuterium z) helium
Last Answer : ANSWER: Y -- DEUTERIUM
Description : Which one is the radioactive isotope of hydrogen? (A) Deuterium (B) Ortho-hydrogen (C) Tritium (D) None of these
Last Answer : (C) Tritium
Description : The element which is commonly used in nuclear for producing electricity by nuclear fission is – (1) Radium (2) Plutonium (3) Uranium (4) Deuterium
Last Answer : (3) Uranium Explanation: Uranium is used to produce a chemical and nuclear reaction which makes a lot of heat.
Description : The element which is commonly used in nuclear for producing electricity by nuclear fission is (1) Radium (2) Plutonium (3) Uranium (4) Deuterium
Last Answer : (3) Uranium It is the most common element used to get nuclear energy Hope this will you
Description : The Sun produces most of its energy by-------? A. Nuclear fusion (Answer) B. nuclear fission C. Burning hydrogen D. None of these
Last Answer : A. Nuclear fusion (Answer)
Description : Heavy water is – (1) Deuterium (2) Rain water (3) Tritium oxide (4) Deuterium oxide
Last Answer : (4) Deuterium oxide Explanation: Heavy water is deuterium oxide (2H2O). It is a form of water that contains a larger than normal amount of the hydrogen isotope deuterium (2H or D, also known as heavy ... 1 isotope (1H or H, also called protium) that makes up most of the hydrogen in normal water.
Description : Both tritium and deuterium have the same number of (A) Neutrons (B) Electrons (C) Protons (D) Nucleons
Last Answer : (A) Neutrons
Description : Heavy water is (1) Deuterium (2) Rain water (3) Tritium oxide (4) Deuterium oxide
Last Answer : Deuterium oxide
Description : Neutrons have mass approximately equal to that of __________ atoms. (A) Hydrogen (B) Helium (C) Deuterium (D) None of these
Last Answer : (A) Hydrogen
Description : All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in which neutron is absent. (A) Deuterium (B) Hydrogen (C) Neon (D) Helium
Last Answer : (B) Hydrogen
Description : The three isotopes of hydrogen are protium, tritiu and: w) heprin x) helium y) duodenum z) deuterium
Last Answer : ANSWER: Z -- DEUTERIUM
Description : Heat is generated in a nuclear reactor (thermal) by (A) Combustion of a nuclear fuel e.g. uranium (B) Fusion of atoms of uranium (C) Absorption of neutrons in uranium atoms (D) Fission of U-235 by neutrons
Last Answer : (D) Fission of U-235 by neutrons
Description : Statement-1 : Energy is released in the nuclear fusion of hydrogen nuclei to form helium nuclei Because Statement-2 : Binding energy per nucleon of he
Last Answer : Statement-1 : Energy is released in the nuclear fusion of hydrogen nuclei to form helium nuclei Because ... Statement-2 is false, statement-2 is true
Description : The escape velocity from the earth’s surface is about 1. 30 km/sec 2. 6 km/sec 3. 11.2 km/sec 4. 300 km/sec 15. The radiant energy of the sun is due to (a) Nuclear fission (b) Nuclear fusion (c) Sinking of the sun (d) Violent explosions
Last Answer : Ans:(c)
Description : Energy is continuously generated in the sun due to _______. (1) Nuclear fusion (2) Nuclear fission (3) Radioactivity (4) Artificial radioactivity
Last Answer : (1) Nuclear fusion Explanation: Nuclear fusion is a nuclear reaction in which two or more atomic nuclei come very close and then collide at a very high speed and join to form a new type of atomic nucleus.
Description : The energy of the sun is mainly due to (1) nuclear fission (2) radioactivity (3) heat (4) nuclear fusion
Last Answer : (4) nuclear fusion Explanation: The Sun is a main-sequence star, and thus generates its energy by nuclear fusion of hydrogen nuclei into helium. Nuclear fusion is a nuclear reaction in which two ... the fusing nuclei is converted to photons which are released through a cycle that even our sun uses.
Description : Which of the following reaction is the main cause of energy radiated from Sun? (1) Nuclear fission (2) Nuclear fusion (3) Chemical reaction (4) Diffusion reaction
Last Answer : (2) Nuclear fusion Explanation: The Sun is a main-sequence star, and thus generates its energy bynuclear fusion of hydrogen nuclei into helium. In its core, the Sunfuses 620 million metric tons of hydrogen each second.
Description : The energy emitted by the Sun is due to (1) Chemical reaction (2) Nuclear fission (3) Nuclear fusion (4) All of the above
Last Answer : (3) Nuclear fusion Explanation: The spectrum of the Sun's solar radiation is close to that of a black body with a temperature of about 5,800 K. The Sun emits Electromagnetic radiation across ... converted to lower energy photons before they reach the Sun's surface and are emitted out into space.
Description : Name the process of production of energy in the Sun – (1) Nuclear fission (2) Radioactivity (3) Nuclear fusion (4) Ionization
Last Answer : (3) Nuclear fusion Explanation: The source of the sun's fuel is hydrogen and helium gases. Through a special chemical reaction, called nuclear fusion, the hydrogen gas is "burned" releasing an enormous amount of energy in the form of light and heat.
Description : Energy is continuously created in the sun due to – (1) Nuclear fusion (2) Nuclear fission (3) Radioactivity (4) Artificial radioactivity
Last Answer : (1) nuclear fusion Explanation: The central mass of the sun becomes increasingly hot and dense. eventually initiating thermonuclear fusion in its core. It is thought that almost all other stars form ... because some of the mass of the fusing nuclei is converted to energy which is released.
Description : Energy of the sun arises mainly from __________ reactions. (A) Fusion (B) Fission (C) Combustion (D) None of these
Last Answer : A) Fusion
Description : What process produces most of the energy that is radiated by the Sun? w) gravitational contraction x) chemical combustion y) nuclear fusion z) nuclear fission
Last Answer : ANSWER: Y -- NUCLEAR FUSION
Last Answer : nuclear fusion
Description : Name the process of production of energy in the Sun (1) Nuclear fission (2) Radioactivity (3) Nuclear fusion (4) Ionization
Last Answer : Nuclear fusion
Description : Energy is continuously created in the sun due to: (1) nuclear fusion (2) nuclear fission (3) radioactivity (4) artificial radioactivity
Description : Plutonium Plutonium is used as _____. A. Fuel for Nuclear Fission B. Fuel for Nuclear Fusion C. Source of Chemical Energy D. Source of Light Energy
Last Answer : ANSWER: A
Description : Plutonium is used as _____. A. Fuel for Nuclear Fission B. Fuel for Nuclear Fusion C. Source of Chemical Energy D. Source of Light Energy
Description : The source of the sun's energy is the process of – (1) Photoelectric emission (2) Nuclear fission (3) Nuclear fusion (4) Thermionic emission
Last Answer : (3) Nuclear fusion Explanation: The Sun formed about 4.6 billion years ago from the gravitational collapse of a region within a large molecular cloud. Most of the matter gathered in the center, ... thermonuclear fusion in its core. It is thought that almost all other stars form by this process.
Description : The source of the Sun's energy is the process of – (1) Photoelectric emission (2) Nuclear fission (3) Nuclear fusion (4) Thermionic emission
Last Answer : (3) Nuclear fusion Explanation: Nuclear fusion is a nuclear reaction in which two or more atomic nuclei join together, or "fuse", to form a single heavier nucleus. During this process, matter ... fusing nuclei is converted to energy which is released. Fusion is the process that powers active stars.
Description : Pick out the wrong statement. (A) Geothermal energy is a non-conventional source of energy (B) Mass is converted into energy in both nuclear fission & fusion reaction (C) Inhalation of mercury vapour is not harmful for human beings (D) Inhalation of arsenic causes cancer
Last Answer : (C) Inhalation of mercury vapour is not harmful for human beings
Description : The source of the Sun’s energy is the process of (1) Photoelectric emission (2) Nuclear fission (3) Nuclear fusion (4) Thermionic emission
Description : Pick out the wrong statement. (A) The ratio of the density of the 'nucleus' to that of the 'atom' is 10 12 (B) α-particle is identical with a doubly charged helium ion (C) The mass of deuterium atom is half that of helium atom (D) Gamma rays are high energy electrons
Last Answer : (D) Gamma rays are high energy electrons
Description : Hydrogen bomb is based upon the principle of ______. (1) Nuclear fission (2) Nuclear fusion (3) Controller nuclear reaction (4) None of these
Last Answer : (2) Nuclear fusion Explanation: The hydrogen bomb eventually relies upon atomic fusion (adding to the atomic nucleus) to release energy. Nuclear fusion is a nuclear reaction in which two or more atomic nuclei ... and then collide at a very high speed and join to form a new type of atomic nucleus.
Description : Hydrogen bomb is based on the principle of – (1) controlled fission reaction (2) uncontrolled fission reaction (3) controlled fusion reaction (4) uncontrolled fusion reaction
Last Answer : (4) uncontrolled fusion reaction Explanation: A thermonuclear weapon is a nuclear weapon design that uses the heat generated by a fission bomb to compress a nuclear fusion stage which indirectly ... the majority of its destructive energy comes from uranium fission, not hydrogen fusion by itself.
Description : Hydrogen bomb is based on the principle of - (1) Double decomposition (2) Artificial radioactivity (3) Nuclear fission (4) Nuclear fusion
Last Answer : (4) Nuclear fusion Explanation: Hydrogen Bomb is based on the principle of Nuclear Fusion. Nuclear fusion is a reaction in which two or more atomic nuclei are combined to form one or more different atomic nuclei and subatomic particles.
Description : The phenomenon occurring during explosion of a hydrogen bomb is (A) Nuclear fission (B) Nuclear fusion (C) A combination of both nuclear fission & fusion (D) None of these
Last Answer : C) A combination of both nuclear fission & fusion
Description : Hydrogen bomb is based on the principle of (1) controlled fission reaction (2) uncontrolled fission reaction (3) controlled fusion reaction (4) uncontrolled fusion reaction
Last Answer : uncontrolled fusion reaction
Description : The principle behind a breeder reactor is: w) U-235 undergoes fission. x) U-238 is converted to Pu-239, which undergoes fission. y) Deuterium undergoes fission. z) Cobalt-60 undergoes fission.
Last Answer : ANSWER: X -- U-238 IS CONVERTED TO Pu-239, WHICH UNDERGOES FISSION.
Description : The lightest radioactive element is - (1) deuterium (2) polonium (3) technetium (4) uranium
Last Answer : (3) Technetium Explanation: Tritium is a radioactive isotope of hydrogen. It is the lightest radioactive element.
Description : The radioactive element used in heart pacemakers is – (1) Uranium (2) Deuterium (3) Plutonium (4) Radium
Last Answer : (1) Uranium Explanation: The actinides (or actinoids) are the chemical elements with atomic numbers between 90 and 109 inclusively. They occur between Groups 3 and 4 in Period 7 of the periodic table. ... scale, it is also used as a power source in smaller devices such as the heart pacemaker.