Physics M.C.Q (1 Marks)

Wave nature of light is verified by

Which of the following is conserved when light waves interfere

If the ratio of amplitude of two waves is 4 : 3, then the ratio of maximum and minimum intensity is

For the sustained interference of light, the necessary condition is that the two sources should

Young's experiment establishes that

The ratio of intensities of two waves are given by 4 : 1. The ratio of the amplitudes of the two waves is

In a wave, the path difference corresponding to a phase difference of f is 

Interference was observed in interference chamber when air was present, now the chamber is evacuated and if the same light is used, a careful observer will see

The wave theory of light was given by

Which one of the following phenomena is not explained by Huygen's construction of wavefront

Wavefront of a wave has direction with wave motion

When a beam of light is used to determine the position of an object, the maximum accuracy is achieved if the light is

To demonstrate the phenomenon of interference, we require two sources which emit radiation

Wavefront means

Two waves having intensity in the ratio 25 : 4 produce interference. The ratio of the maximum to the minimum intensity is

Wavelength of light of frequency 100Hz

Two light sources are said to be coherent if they are obtained from

Evidence for the wave nature of light cannot be obtained from

If two light waves having same frequency have intensity ratio 4 : 1 and they interfere, the ratio of maximum to minimum intensity in the pattern will be

Ratio of amplitude of interfering waves is 3 : 4. Now ratio of their intensities will be

Soap bubble appears coloured due to the phenomenon of

Ray diverging from a point source from a wave front that is

Intensity of light depends upon

Two coherent monochromatic light beams of intensities I and 4I are superposed. The maximum and minimum possible intensities in the resulting beam are

Colours of thin films result from

If the amplitude ratio of two sources producing interference is 3 : 5, the ratio of intensities at maxima and minima is

The phenomenon of interference is shown by

If L is the coherence length and c the velocity of light, the coherent time is

Wave nature of light follows because

If the ratio of intensities of two waves is 1 : 25, then the ratio of their amplitudes will be

Which of the following statements indicates that light waves are transverse

The idea of secondary wavelets for the propagation of a wave was first given by

Two sources of waves are called coherent if

By Huygen's wave theory of light, we cannot explain the phenomenon of

By corpuscular theory of light, the phenomenon which can be explained is

According to corpuscular theory of light, the different colours of light are due to

Huygen's conception of secondary waves

The idea of the quantum nature of light has emerged in an attempt to explain

Two coherent sources of light can be obtained by

A wave can transmit ...... from one place to another

The ratio of intensities of two waves is 9 : 1. They are producing interference. The ratio of maximum and minimum intensities will be

The similarity between the sound waves and light waves is

By a monochromatic wave, we mean

Light appears to travel in straight lines since