NTPC CBT-2 Physics Quiz - 23

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Question 1:

The work done on an object does not depend upon the:

The angle between force and displacement

Force applied

The initial velocity of the object

Displacement

Which device uses slip rings?

A d.c electric motor

A relay

A transformer

An a.c generator

Which of the following is not a property of solid?

Definite shape

High rigidity

High compressibility

High density

In which among the following, the speed of sound would be maximum?

Dry air at 0°C

Dry air at 30°C

Humid air at 0°C

Humid air at 30°C

Acceleration due to gravity has maximum value at -

Equator

Poles

Tropic of Cancer

Tropic of Capricorn