A ray of light travelling in water is incident on its open surface in air. The angle of incidence is `theta^@`, which is less than the critical angle. Then there will be

A ray of light travelling in water is incident on its surface open to air. The angle of incidence is theta , which is less than the critical angle. Then there will be

A ray of light travelling in impure water is incident on a glass plate immersed in it. When the angle of incidence is 51^@ , the refractive index of impure water is 1.4 . The refravtive idex galss shold be………… ( tan 51^@ = 1.235 )

A ray of light travelling through air is incident on the surface of water in a lake . If the ray is inclined at 30^@ with the surface and if the refractive index of water is 4/3 then the angle through which the ray deviates is

A ray of light suffers a minimum deviation when incident on an equilateral prism of refractive index sqrt(2) The angle of incidence is

A ray of light is incident on the surface of a glass plate of thickness t . If the angle of incidence theta is small, the emerging ray would be displaced side ways by an amount (Take n = refractive index of glass)

Angle of incidence is less than critical angle : Partial reflection :: Angle of incidence is greater than critical angle : ____

A ray of light travels from air to glass. It is found that the angle of refraction is half the angle of incidence. The the angle of incidence is given by

A ray of light makes an angle of 50^(@) with the surface S_(1) of the glass slab. Its angle of incidence will be ____

A ray of light is incident on the surface of a glass plate at an angle of incidence equal to Brewster's angle phi . If mu represents the refractive index of glass with respect to air, then the angle between reflected and refracted rays is

A ray of light is reflected at an angle of 15^@ . If the angle of incidence is doubled, then the angle of reflection will be