Question # 1

The idea of quantization of energy was proposed by:

Choose an answer

Einstein

Max.Planck

Maxwell

Bohr

Rutherford

The quantity F x t is called as

Choose an answer

momentum

velocity

acceleration

impulse

Parallel vectors of same magnitudes:

Choose an answer

Are equal

Are unequal

When added give the some equal to zero

Give the answer equal to zero

In the equation E=mc² value of c is?

Choose an answer

186000 miles per hour

186000 miles per sec

3 X 10⁸m/sec

Both A and C

Both B and C

There is present in paraffin a large amount of:

Choose an answer

Nitrogen

Hydrogen

Carbon

Baryllium

Lithium

SHM is type of ______ motion

Choose an answer

Vibratory

Linear

Circular

None

When a person jumps off the ground, the reaction force of the ground is

Choose an answer

greater than the weight of the person

smaller than the weight of the person

equal to the weight of the person

zero

If the amplitude of sound is doubled and the frequency reduced to one-fourth, the intensity of sound at the same point will be

Choose an answer

Increasing by a factor of 2

Decreasing by a factor of 2

Decreasing by a factor of 4

Unchanged

The bands below the valence band are

Choose an answer

completely filled and play active part in conduction process

completely filled and plays no part in conduction process

completely filled and play active part in conduction process

not completely filled and play no part in conduction process

Referring to above figure, due to change in current in the coil P, the change in magnetic flux:

Choose an answer

Is associated with coil P

Is associated with coil S

Causes an induced current is coil S

All of these

None of these

What is frequency of radio waves transmitted by a station, if the wavelength of those waves is 300 m?

Choose an answer

1 MHz

10 Hz

1 GHz

100000 Hz

The rater of flow is measure in

Choose an answer

Liter-sec

Liter/sec

Liter/sec²

Sec/liter

An average energy used by the car-from petrol in its life time

Choose an answer

1 × 10⁹ J

1 × 10¹⁰ J

1 × 10¹¹ J

1 × 10¹² J

The gravitational force of earth on a ball of mass one kilogram is 9.8 N. The attraction of ball on the earth is

Choose an answer

9.8 N

Negligible

Slightly less than 9.8 N

More than 9.8 N

The locus of all the points in the same phase of vibration is called:

Choose an answer

Wave packet

Wavefront

Wave number

None of these

The formula for the volume of a sphere is

Choose an answer

4 π²

4/3 π³

4/3 π²

5/3 π³

Which of the following sets of concurrent forces may be in equilibrium?

Choose an answer

F₁ - 3 N,F₂ - 5 N,F₃ = 6 N

F₁ - 3 N,F₂ - 5 N,F₃ = 15 N

F₁ - 3 N,F₂ - 5 N,F₃ = 1 N

F₁ - 3 N,F₂ - 5 N,F₃ = 9 N

The approximate efficiency of electric motor is

Choose an answer

40 to 45%

49 to 56%

50 to 70%

50 - 93 %

Phenomenon of interference and diffraction support the:

Choose an answer

Quantum nature of light

Tranverse nature of light

Wave nature of light

Complex nature of light

Two masses m₁ and m₂ have equal momentum their kinetic energies are in ratio of

Choose an answer

m₂: m₁

m²1 : m₂²

m₁: m₂

m₂^{2 :}m²1

In the phenomenon of hysteresis.

Choose an answer

magnetism leads the magnetising current

magnetism lags behind the magnetising current

magnetism goes along the magnetising current

none of them

Total number of base units are

Choose an answer

three

five

seven

nine

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