BITSAT Physics: Questions 74 - 79 of 382

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Question number: 74

» Wave Optics » Polarization

MCQ▾

Question

If the momentum of a particle is double, then its de-Broglie wavelength will become

Choices

Choice (4) Response

a.

Half times

b.

Four times

c.

Remain unchanged

d.

Two times

Question number: 75

» Wave Optics » Young's Double Slit Experiment

MCQ▾

Question

Light of wave length falls on a sensitive plate with photoelectric work function of . The maximum kinetic energy of the photoelectron emitted will be –

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 76

» Work, Energy and Power » Kinetic Energy

MCQ▾

Question

A particle of mass and charge is placed at rest in a uniform electric field and then released. The kinetic energy attained by the particle after moving a distance is –

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 77

» Gravitation » Universal Law of Gravitation

MCQ▾

Question

The mass of the planet is of the mass of the earth and its radius is half that of the radius of the earth. If a body weighs on the earth, then what will be its weight on planet?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 78

» Kinetic Theory of Gases » Kinetic Energy and Temperature

MCQ▾

Question

The kinetic energy per gram molecule of a gas at normal temperature and pressure is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 79

» Laws of Motion » Impulse

MCQ▾

Question

If two balls, each of mass , moving in opposite directions with speed of collide and rebound with the same speed, then the impulse imparted to each ball due to other is

Choices

Choice (4) Response

a.

b.

c.

d.

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