BITSAT (Birla Institute of Technology & Science Admission Test) Physics: Questions 21 - 27 of 382

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Question 21

Question

MCQ▾

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.

Isobaric process

b.

Isochoric process

c.

Isothermal process

d.

Adiabatic process

Question 22

Question

MCQ▾

The discoverer of loudness and intensity of sound is –

Choices

Choice (4)Response

a.

Edison

b.

Laplace

c.

Bell

d.

Newton

Question 23

Question

MCQ▾

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

Choices

Choice (4)Response

a.

oscillates between and

b.

At and with time it goes to

c.

at all

d.

and at all .

Question 24

Scalar and Vector Products

Question

MCQ▾

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

Choices

Choice (4)Response

a.

b.

c.

d.

Question 25

Question

MCQ▾

Which of the following cannot be resultant of 5 and 10?

Choices

Choice (4)Response

a.

5

b.

8

c.

2

d.

7

Question 26

Question

MCQ▾

Light waves are transverse, because they –

Choices

Choice (4)Response

a.

Refract

b.

Are not polarized

c.

Are polarized

d.

Reflect

Question 27

Question

MCQ▾

An electric lamp is connected to , supply. The peak voltage is –

Choices

Choice (4)Response

a.

b.

c.

d.

Developed by: