BITSAT Physics: Questions 40 - 45 of 382

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Question number: 40

» Atoms and Nuclei » Composition and Size of Nucleus

MCQ▾

Question

and differ as –

Choices

Choice (4) Response

a.

has 2 protons less

b.

has 3 neutrons more

c.

has 3 protons less

d.

All of the above

Question number: 41

» Gravitation » Gravitational Potential

MCQ▾

Question

If the gravitational force had varied as instead of . The potential energy of a particle at a distance from the centre of the earth would be proportional to

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 42

» Rotational Motion » Moment of Inertia

MCQ▾

Question

A cylinder of and radius has moment of inertia is (about its natural axis) –

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 43

» Ray Optics » Reflection and Refraction of Light

MCQ▾

Question

If the critical angle for total internal reflection from a medium to vacuum is . Then velocity of light in the medium is –

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 44

» Oscillations and Waves » Speed of a Wave

MCQ▾

Question

A glass rod of long is clamped at the middle. It is set into the longitudinal vibration. If the emitted sound frequency is , then velocity of sound in glass will be –

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 45

» Electronic Devices » Junction Transistor

MCQ▾

Question

A transistor has an it has change in emitter current of milliampere, then the change in the collector current is –

Choices

Choice (4) Response

a.

b.

c.

d.

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