BITSAT Physics: Questions 13 - 18 of 382

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Question number: 13

» Thermodynamics » Concept of Temperature

MCQ▾

Question

Coefficient of performance of an ideal refrigerator working between temperatures Equation is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 14

» Wave Optics » Polarization

MCQ▾

Question

If we consider electrons and photons of the same wavelength, then they will have same –

Choices

Choice (4) Response

a.

Velocity

b.

Energy

c.

Momentum

d.

Angular momentum

Question number: 15

» Ray Optics » Deviation and Dispersion of Light by a Prism

MCQ▾

Question

In an equilateral triangular prism, the angle of minimum derivation for a certain wavelength is Equation . The corresponding angle of incidence is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 16

» Kinematics » Average Speed and Instantaneous Velocity

MCQ▾

Question

R. M. S. velocity of a particle is Equation at pressure P. If the pressure increases by two times, then R. M. S. velocity will become –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 17

» Laws of Motion » Laws of Friction

MCQ▾

Question

If the coefficient of friction of a plane inclined at Equation is Equation , then acceleration of a body sliding freely on it is Equation

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 18

» Kinematics » Motion in a Plane

MCQ▾

Question

A man is standing on a spring platform. Reading of spring balance is Equation wt. If man jumps outside from the platform, then reading of spring balance –

Choices

Choice (4) Response

a.

Increase

b.

Remain same

c.

Decrease to zero

d.

Both a. and c. are correct

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