Ray Optics and Optical Instruments questions
782 published questions with worked solutions.
- Red light of wavelength 6400 Å in air has a wavelength of 4000 Å in glass. If the wavelength of violet light in air is 4400 Å,...
- A ray of light travels from air to glass. It is found that the angle of refraction is half the angle of incidence. Then the angle...
- Velocity of light in diamond is ( 5 12 )^ th that in air. Velocity of light in water is ( 3 4 )^ th that in air. The angle of...
- The velocity of light in vacuum is 3 10^ 8 m/s. Therefore the velocity of light in m/s in a medium of R.I. 1.25 is
- A ray of light strikes a glass slab of thickness t. It emerges on the opposite face, parallel to the incident ray but laterally...
- A beam of light is partially reflected and partially refracted from a surface. The angle between the reflected and the refracted...
- A plane glass slab is kept over various coloured letters. The letter which appears the least raised is
- A ray of light strikes a glass plate at an angle of 60^ . If the reflected and refracted rays are perpendicular to each other,...
- Light entering in air glass ( =1.5) boundary is partly reflected and partly refracted. If the incident and reflected rays are at...
- Statement 1: The colour of the light can be assessed from the wavelength of light waves Statement 2: Intensity = (Amplitude)^2
- The rectilinear propagation of light in a medium is due to its [AMU (Med.) 2010]
- Light appears to travel in straight lines since [RPMT 1997, CPMT 1987, AIIMS 1989, K CET 1990, BHU 2001, DCE 1998, DCE 2002, DCE...
- When light is refracted from a surface, which of its following physical parameters does not change? [WB-JEE 2015]
- When a ray of light is incident normally on a surface, then [J & K CET 2005]
- The change in wavelength of light of frequency 4 10^ 14 Hz, when it passes from air to glass, is ( _ glass =1.5)
- A ray of light is incident on the surface of separation of a medium with the velocity of light at an angle 45^ and is refracted...
- A parallel beam of monochromatic light is incident on a glass slab at an angle of incidence 45^ . Find the ratio of width of beam...
- Light travels through a glass plate of thickness t and refractive index . If c is the velocity of light, then time taken by light...
- The refractive index of water and glass with respect to air is 1.3 and 1.5 respectively, what will be the refractive index of...
- A ray of light is incident on a glass plate of refractive index 1.5. The angle between the reflected and refracted rays is 90^ ....
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