BITSAT (Birla Institute of Technology & Science Admission Test) Physics: Questions 122 - 126 of 382

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Question 122

Question

MCQ▾

Two parallel wires in free space are apart and each carries a current of in the same direction. The force exerted by one wire on other per metre of length of the wire is –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 123

Question

MCQ▾

An aero plane is moving with a horizontal velocity at a height . The velocity of packet dropped from it on the earth՚s surface will be

Choices

Choice (4)Response

a.

b.

c.

d.

Question 124

Question

MCQ▾

The large scale destruction that would be caused due to the use of nuclear weapons is known as –

Choices

Choice (4)Response

a.

Thermo nuclear reaction

b.

Neutron reproduction factor

c.

Nuclear holocaust

d.

All of the above

Question 125

Question

MCQ▾

A particle executes simple harmonic motion of amplitude . At what distance from the mean position its kinetic energy is equal to its potential energy is equal to its potential energy?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 126

Question

MCQ▾

A rough vertical board has acceleration along the horizontal so that a block of mass pressing against it does not fall. The coefficient of friction between block and the board is

A Rough Vertical Board and a Block

Choices

Choice (4)Response

a.

b.

c.

d.

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