The process of splitting a heavy nucleus into lighter nuclei is MCQ with Answer and Explanation

Question Report Error

The process of splitting a heavy nucleus into lighter nuclei is

A. Fission

B. Fusion

C. Transmutation

D. Radioactive decay

Answer: Option A

Solution (By JKExamLibrary)

Fission, e.g., U-235 splitting.

This question belongs to: Science Physics

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Practice More Physics Questions

Question #1 Report Error

The greenhouse effect is mainly due to increase in

A. Nitrogen

B. Carbon dioxide

C. Oxygen

D. Argon

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Correct Answer: Option B

Explanation:
CO2, methane trap heat.

This question belongs to: Science Physics

Question #2 Report Error

Interference demonstrates light's:

A. Wave nature

B. Neither

C. Particle nature

D. Both

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Correct Answer: Option A

Explanation:
Interference (constructive/destructive superposition) is wave phenomenon. Young's double-slit confirmed light's wave nature. Particle nature shown by photoelectric effect. Memory aid: 'Interference/diffraction ⇒ wave; photoelectric ⇒ particle'. Wave-particle duality frequently tested in competitive exams.

This question belongs to: Science Physics

Question #3 Report Error

The scientist who proposed the planetary model of atom was

A. Niels Bohr

B. J.J. Thomson

C. Dalton

D. Ernest Rutherford

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Correct Answer: Option D

Explanation:
Rutherford's gold foil experiment led to planetary model: electrons revolve around tiny positive nucleus. Bohr added quantized orbits. Thomson proposed plum-pudding model. Dalton atomic theory earlier.

This question belongs to: Science Physics

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