Question # 1

A disc rolls down a hill and its speed at bottom is found to be 11.4 m/sec. Height of the hill is then nearly:

Choose an answer

10 m

12 m

13 m

15 m

Resolving power in mth order diffraction for grating is given by:

Choose an answer

R = N/m

R = m/N

R = N x m

None of these

A rotating wheel accelerates up to the value of 0.75 rev/sec²after 2 seconds of its start. Its angular velocity becomes:

Choose an answer

9.42 rad/sec

2.6 rev/sec

1.5 rev/sec

Both A and C

Nuclei that have the same charge number but different mass number are called

Choose an answer

isotones

isomers

isotopes

isobars

To make an LED, it is impreacticable to use:

Choose an answer

Silicon

Gallium arsenide

Gallium arsenide phosphide

Iron

Both (B) and (C)

The alternative voltage of current is actually measured by:

Choose an answer

Its RMS value

Square root of its mean square value

Instantaneous value

Peak value

Both (A) and (B)

The SI unit of magnetic induction is

Choose an answer

Weber

Weber/meter

Henry

Tesla

Pair production take place when energy ofγ-rays photon is

Choose an answer

equal to 1.02 Mev-

greater than 1.02 Mev

less than 1.02 Mev

none of these

Acceleration in a body is always produced in the direction of :

Choose an answer

Velocity

Weight

Force

Both B and C

The range of wavelengths of colurs in the visible colours is

Choose an answer

140 nm to 456 nm

10 nm to 56 nm

410 nm to 656 nm

910 nm to 956 nm

None of these

Which instrument is expensive and difficult to use?

Choose an answer

Voltmeter

Potentiometer

CRO

Both A and C

Both A and B

Viscosity of glycerin at 30^oC in Nsm^-2

Choose an answer

6.12 × 10^-3

6.18 × 10^-3

6.29 × 10^-3

6.79 × 10^-3

Dimension of G are

Choose an answer

[ML³T²]

[M^-1L²T²]

[M^-1L³T²]

In carnot cycle, there are isotherms as

Choose an answer

One

Two

Three

Four

The plane of polarization is rotated many degrees when a thickness of such crystal is

Choose an answer

One millimeter

Less than one millimeter

A few millimeter

None of these

When light passes through a tourmaline crystal, it becomes

Choose an answer

plane polarized

directly polarized

un-polarized

spherically polarized

Electron volt is a unit of

Choose an answer

Potential difference

Energy

Charge

Power

Angular momentum is conserved under

Choose an answer

Central force

Constant force

Variable force

Uniform force

As the droplet accelerates, the upward drag force on it

Choose an answer

Increases

Decreases

Suspended

None of these

A 2 kg body and a 3 kg body have equal momentum.If the kinetic energy of 3 kg body is 10 j,the KE of 2 kg body will be

Choose an answer

6.66 j

15 j

22.5 j

45 j

The original source of biomass energy is

Choose an answer

Moon

Sun

Geothermal

None of these

In case of diffraction grating, unit of grating element is:

Choose an answer

Centimeter

Kilometer

As that of g

as that of angle

More Classes

Other Links

Physics General Science Test Medium Mode 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

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

Choose an answer

Choose an answer