(B) The primary source of solar energy is the nuclear fusion process occurring in the core of the sun. In this process,hydrogen nuclei (protons) fuse

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Fusion of protons during synthesis of heavier elements

(B) The primary source of solar energy is the nuclear fusion process occurring in the core of the sun. In this process,hydrogen nuclei (protons) fuse together to form heavier elements like helium. This fusion reaction releases an enormous amount of energy in the form of heat and light due to the mass defect between the reactants and the products.

Class 12 Physics Nuclei Nuclear Fission, Fusion and Nuclear Reactor

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Solar energy is mainly caused due to

AIPMT 2003 All AIPMT

A
Fission of uranium present in the sun
B
Fusion of protons during synthesis of heavier elements
C
Gravitational contraction
D
Burning of hydrogen in the oxygen

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Class 12 Questions

Class 12

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Chapter

Nuclei

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Nuclear Fission, Fusion and Nuclear Reactor

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The nucleus $_{92}U^{234}$ splits exactly in half in a fission reaction in which two neutrons are released. The resultant nuclei are

Easy

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If $200 \, MeV$ of energy is released per fission of a $_{92}U^{235}$ nucleus, how many nuclei must undergo fission per second to produce a power of $1 \, kW$?

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When a sample of solid lithium is placed in a flask of hydrogen gas,the following reaction occurs: $_1^1H + {_3^7Li} \to {_2^4He} + {_2^4He}$. This statement is:

Medium

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Calculate and compare the energy released by
$(a)$ fusion of $1.0 \; kg$ of hydrogen deep within the Sun and
$(b)$ the fission of $1.0 \; kg$ of $^{235} U$ in a fission reactor.

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On average,how many neutrons are released from the fission of a single $U^{235}$ nucleus?

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Solar energy is mainly caused due to

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The nucleus $_{92}U^{234}$ splits exactly in half in a fission reaction in which two neutrons are released. The resultant nuclei are

If $200 \, MeV$ of energy is released per fission of a $_{92}U^{235}$ nucleus, how many nuclei must undergo fission per second to produce a power of $1 \, kW$?

When a sample of solid lithium is placed in a flask of hydrogen gas,the following reaction occurs: $_1^1H + {_3^7Li} \to {_2^4He} + {_2^4He}$. This statement is:

Calculate and compare the energy released by$(a)$ fusion of $1.0 \; kg$ of hydrogen deep within the Sun and$(b)$ the fission of $1.0 \; kg$ of $^{235} U$ in a fission reactor.

On average,how many neutrons are released from the fission of a single $U^{235}$ nucleus?

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Calculate and compare the energy released by
$(a)$ fusion of $1.0 \; kg$ of hydrogen deep within the Sun and
$(b)$ the fission of $1.0 \; kg$ of $^{235} U$ in a fission reactor.