BITSAT (Birla Institute of Technology & Science Admission Test) Physics: Questions 74 - 79 of 382

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Question 74

Question

MCQ▾

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

Choices

Choice (4)Response

a.

Remain unchanged

b.

Four times

c.

Two times

d.

Half times

Question 75

Question

MCQ▾

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 76

Question

MCQ▾

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 77

Question

MCQ▾

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 78

Question

MCQ▾

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

Choices

Choice (4)Response

a.

b.

c.

d.

Question 79

Question

MCQ▾

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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