Question # 1

Which one of the following is a simple harmonic motion?

Choose an answer

Wave moving through a string fixed at both ends.

Earth spinning about its own axis

Ball bouncing between two rigid vertical walls

Particle moving in a circle with uniform speed.

A photoelectric cell converts

Choose an answer

Electrical energy to light energy

Light energy to light energy

Light energy to electrical energy

Light energy to elastic energy

The nuclear model of atom was proposed by

Choose an answer

J.J Thomson

E.Rutherford

Neil Bohr

Summerfield

In a simple harmonic motion the kinetic energy (KE) and the potential energy (PE), are such that throughout the motion

Choose an answer

KE remains constant

PE remains constant

KE/PE is constant

KE + PE remains constant

A sun rise or sun set, the sun looks reddish because.

Choose an answer

The sun is coldest at these times

Of the effects of reflection and refraction

The sun is hottest at these times

Of the scattering of light

If a diamagnetic substance is brought near north or south pole of a bar magnet it is

Choose an answer

Attracted by the poles

Repelled by the poles

Repelled by north pole and attracted by the south pole

Attracted by the north pole and repelled by the south pole

In a voltmeter the conduction takes place due to

Choose an answer

Electrons only

Holes only

Electrons and holes

Electrons and ions

When sound waves travel from air to water which of these remains constant?

Choose an answer

Velocity

Frequency

Wavelength

All the above

To make the frequency double of na oscillator we have to

Choose an answer

Double the mass

Half the mass

Quadruple the mass

Reduce the mass to one-fourth

A (100 W, 200 V) bulb is connected to a 160 V power supply. The power consumption would be

Choose an answer

64 W

80 W

100 W

125 W

More Classes

Other Links

NAT I Computer Science Physics MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer