Question # 1

The power factor of resonant series circuit is

Choose an answer

1

0

-1

0.5

Aerodynamics is a branch of:

Choose an answer

Hydrodynamics

Thermodynamics

Both of them

Statics

Surface tension of water is reduced by adding

Choose an answer

Detergents

Camphor

Plastic

Both A and B

Work done along a closed path in a gravitational field is:

Choose an answer

Maximum

Minimum

Zero

Unity

A certain force gives an acceleration of 2 m/sec²to a body mass 5 kg. The same force would give a 20 kg object an acceleration of:

Choose an answer

0.5 m/sec²

5 m/sec²

1.5 m/sec²

9.8 m/sec²

When a source of light isat very large distance,the shape of wavefront is:

Choose an answer

Spherical

Cylindrical

Plane

None of these

To design a resonant circuit of frequency 100 KHz with an inductor of inductance 5 mH, we need a capacitor of capacitance

Choose an answer

5.07 pF

50 pF

0.507 pF

507 pF

The energy stored in a charge capacitor

Choose an answer

1/2CV²

1/2C²V

1/2C/V²

None of these

Specific heat at constant pressure is greater than the specific heat at constant volume because

Choose an answer

Heat is used up to increase temperature at constant pressure

Heat is used by gas for expansions purposes at constant pressure

Heat is use dup to increase internal energy

The above statement is invalid

Neutron was suggested to be in the nucleus by:

Choose an answer

Rutherford in 1920

Bohar in 1913

Dirac in 1928

Anderson in 1932

None of these

Which of the following is an example of SHM(in ideal situations)

Choose an answer

Motion of simple pendulum

Motion of horizontal spring man system

Motion of violin string

All of these

Can the resultant of 2 vectors be 0?

Choose an answer

Yes when the 2 vectors are same in magnitude and direction

No

Yes when the 2 vectors are same in magnitude but opposite in sense

Yes when the 2 vectors are same in magnitude making an angle of 2π/3 with each other.

A cane filled with water is revolved in a vertical circle of radius 4 m and water just not fall down The time period of revolution will be nearly

Choose an answer

1 s

4 s

8 s

10 s

Distance traveled by a body falling from rest in the first,second and third second is in the ratio of

Choose an answer

1 : 2 : 3

1 : 3 : 5

1 : 4 : 9

None of the above

A beam of light enters air from water.Which of the following characteristics of light will not change in water

Choose an answer

Frequency

Wavelength

Velocity

Amplitude

Stokes law is applicable to

Choose an answer

Very fast moving objects only

Arbitrary shape bodies

Slow moving objects having spherical shapes

All of these

Capacitor is a device use to store the

Choose an answer

A.C. current

D.C. current

Charge

Voltage

Bulk modulus for lead is

Choose an answer

2.9

7.7

9.3

15.6

The weight of the body at the centre of the earth is.

Choose an answer

Infinite

Zero

Slightly less than that at the equator

Slightly more than that at the equator

The young s modulus of a wire of length L and radius r is Y if the length is reduced to L/2 and radius to r/2 its young s modulus wire be

Choose an answer

Y / 2

Y

2 Y

4 Y

In case of linear deformation, the ratio of the tensile stress to the tensile strain is called

Choose an answer

Young's modulus

Bulk modulus

shear modulus

all of them

Which of the following converts electrical signals into light signals?

Choose an answer

optical fibre

receiver

reflector

transmitter

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