Question # 1

In order to have a constant current through wire, the potential difference across its end should:

Choose an answer

Be zero

Be maintained constant

Goes on increasing

Go on decreasing

Both (A) and (B)

The lasing or active medium in He-Ne laser discharge tube is:

Choose an answer

Nitrogen

Helium

Hydrogen

Neon

None of these

When the object lies between F and 2F, the image formed by is formed at:

Choose an answer

Real

Virtual

Diminished

Erect

A particle executes SHM with frequency. The frequency with which its K.E oscillates is

Choose an answer

f/2

2f

f

4f

The photocopying process is called:

Choose an answer

Geography

Sonography

Xerography

Zerography

None of these

Radian is defined as the angle subtended at the center of a circle by an arc of:

Choose an answer

Length equal to its diameter

Length equal to its radius

Any length

None of these

A body moves a distance of 10 m along a straight line under the action of a force of 5 N and work done is 25J. the angle which the force makes with the direction of motion will be:

Choose an answer

60°

90°

30°

0°

The weight 'mg' of the bob is resolved into

Choose an answer

one component

two components

three components

four components

An A.C. voltmeter read 250 volts. The frequency of alternating is 50 Hz, the peak value of voltage is

Choose an answer

3525.0 volts

35.35 volts

353.5 volts

3.535 volts

In transverse waves, the individual particles of the medium move:

Choose an answer

In circles

Perpendicular to the direction of level

Parallel to the direction of level

None of these

The angular speed of a particle moving along a circular path is 5 Pie rad sec^-1, Its period of motion is:

Choose an answer

2.5 sec

0.06 sec

15.7 sec

0.4 sec

When a droplet falls through a medium with terminal velocity the acceleration is

Choose an answer

Maximum

Minimum

Constant

Zero

What thermodynamic temperature is equivalent to 501.85°C

Choose an answer

775.01 K

228.85 K

775.00 K

228.70 K

All the food you eat in one day has the energy equivalent to petrol of

Choose an answer

1/5 litre

1/3 litre

1/8 litre

1/6 litre

The fundamental unit which has same power in the dimensional formula of surface tension and viscosity is:

Choose an answer

Mass

Length

Time

None

When an atom is surrounded by large number of atoms their the energy levels are

Choose an answer

Distinct

Very close

Energy band

None of these

The velocity of light in vacuum can be changed by changing:

Choose an answer

Frequency

Amplitude

Wavelength

None of these

A car is moving high velocity when it takes a turn.A force acts on it outwardly because of

Choose an answer

Centripetal force

Centrifugal force

Gravitational force

All of these

Coplanar forces are those, which act on a

Choose an answer

Single plane

All planes

Common plane

None of these

At systolic pressure, at the point the first surges of blood flow through the narrow stricture produces

Choose an answer

High flow speed

Sound heard

Initially turbulent

All of these

An electric force which hold the charges to make atoms and molecules

Choose an answer

Positive charges

Negative charges

Neutral charges

a & b

Travel time of light from sun to earth is

Choose an answer

8 hours 20 minutes

8 minutes 20 seconds

1 minutes 20 seconds

5 hour 20 seconds

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