Who is known as the father of nuclear physics? MCQ with Answer and Explanation

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Who is known as the father of nuclear physics?

A. Rutherford

B. Bohr

C. Thomson

D. Einstein

Answer: Option A

Solution (By JKSSB Mock Tests)

Ernest Rutherford first identified nucleus, classified alpha/beta rays, transmuted elements.

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Practice More Physics Questions

Question #1

The sound of thunder is heard after the flash of lightning because

A. Sound travels faster than light

B. Both travel at same speed

C. Light travels much faster than sound

D. Light travels slower than sound

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Correct Answer: Option C

Explanation:
Speed of light ≈ 3×10⁸ m/s, sound ≈ 340 m/s. Light reaches almost instantly, sound takes time. So thunder heard after lightning. Time delay gives distance: d = v_sound × t.

This question belongs to: Science Physics

Question #2

The atomic number of an element is equal to the number of

A. Electrons in nucleus

B. Nucleons

C. Neutrons

D. Protons

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Correct Answer: Option D

Explanation:
Atomic number Z = number of protons (and electrons in neutral atom). Mass number = protons+neutrons.

This question belongs to: Science Physics

Question #3

The temperature of boiling water in Fahrenheit scale is

A. 180°F

B. 100°F

C. 32°F

D. 212°F

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Correct Answer: Option D

Explanation:
Boiling point 100°C = (9/5×100)+32 = 180+32 = 212°F. Freezing 0°C = 32°F. Body temp 98.4°F ≈ 37°C. Scale conversion.

This question belongs to: Science Physics

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