BITSAT Physics: Questions 20 - 24 of 382

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Question number: 20

» Laws of Motion » Law of Conservation of Linear Momentum

MCQ▾

Question

If small balls, each of mass impringe elastically each second on a surface with a velocity , then the force experienced by the surface in one second will be –

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 21

» Oscillations and Waves » Speed of a Wave

MCQ▾

Question

The Laplace correction was necessary to Newton’s calculation of velocity of sound, because travel of sound in a medium is –

Choices

Choice (4) Response

a.

Isochoric process

b.

Adiabatic process

c.

Isobaric process

d.

Isothermal process

Question number: 22

» Physics and Measurement » Technology and Society

MCQ▾

Question

The discoverer of loudness and intensity of sound is –

Choices

Choice (4) Response

a.

Newton

b.

Edison

c.

Laplace

d.

Bell

Question number: 23

» Current Electricity » Electric Current

MCQ▾

Question

When the key K is pressed at time , then which of the following statement about the current in the resistor of the given circuit is true?

Circuit diagram of two resistors and a capacitor

Circuit Diagram of Two Resistors and a Capacitor

In figure a circuit diagram of two resistors and a capacitor is shown.

Choices

Choice (4) Response

a.

oscillates between and

b.

at all

c.

At and with time it goes to

d.

and at all .

Question number: 24

» Kinematics » Scalars and Vectors » Scalar and Vector Products

MCQ▾

Question

If vector and has angle between them, then vector product is –

Choices

Choice (4) Response

a.

b.

c.

d.

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