Wave Optics Tes...

The symbol represents

Light appears to travel in straight lines since

The velocity of light is maximum in

The resolving power of a telescope depends upon the

Which of the following phenomena is not common to light and sound waves?

Which of the following radiations has the longest wavelength?

Which of the following cannot be polarised?

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

Two slits in Young's interference experiment have widhts in the ratio 1 : 25.What is the ratio of intensity at the maxima and minima in interference pattern?

A thin transparent sheet is placed in front of Young`s double slit. The fringe width will

If yellow light emitted by sodium lamp in Young`s double slit experiment is replaced by monochromatic blue light of the same intensity the

A Young`s double slit experiment is performed with white light. Which of the following statements is wrong?

Which of the following statements is not correct?

A beam of monochromatic light is refracted from vacuum into a medium of refractive index 1.5. The wavelength of refracted light will

For a telescope, larger the diameter of objective

The difference between light wave and sound wave is

In Huygen`s wave theory, the locus of all points in the same state of vibration is called

The intensity of electromagnetic radiation depends upon

Which of the following characters of light shows interference and diffraction?

Interference takes place due to the change in

In Young`s double slit experiment, if two slightly different wavelengths are present in the light used, then

Directions: The following question has four choices out of which ONLY ONE is correct.

Two waves of same wavelength and amplitude interfere to give a minimum, when phase difference is

In films beautiful colours are obtained due to

In Young`s double slit experiment, the central bright fringe can be identified

In Young`s double slit experiment, if the slits are of unequal width

Who discovered neutron?

Which of the following does not change, when a photon enters into glass from air?

Which of the following is not a property of light?

A tuning fork of unknown frequency when sounded with another of 256 Hz gives 4 beats/sec.When a tuning fork loaded with a certain wax it is found to give 2 beats.What is the unknown frequency?

In vacuum, the speed of light depends upon