Ray Optics and Optical Instruments questions
782 published questions with worked solutions.
- Which of the following is correct for the image formed by a plane mirror?
- A plane mirror reflects a pencil of light to form a real image, then the pencil of light incident on the mirror is
- A plane mirror produces a magnification of
- A ray of light is incident on a plane mirror at an angle of 30^ . The deviation produced in the ray is
- A man is 180 cm tall and his eyes are 10 cm below the top of his head. In order to see this entire height right from top to head,...
- To get three images of a single object, one should have two plane mirrors at an angle of
- An object is placed 40 cm from a concave mirror of focal length 20 cm. The image formed is
- Object is placed 15 cm from a concave mirror of focal length 10 cm, then the nature of image formed will be
- A light wave has a frequency of 4 10^ 14 Hz and a wavelength of 5 10^ -7 m in a medium. The refractive index of the medium is
- Wavelength of light in vacuum is 5890 Å, then its wavelength in glass ( = 1.5) will be
- When a ray of light falls on a given plate at an angle of incidence 60^ the reflected and refracted rays are found to be normal...
- A ray of light travelling in a medium of refractive index , is incident at an angle i on a composite transparent plate consisting...
- The XZ-plane separates two media A and B with refractive indices _1 and _2, respectively. A ray of light travels from A and B....
- The refractive indices of glass and water with respect to air are 3/2 and 4/3, respectively. The refractive index of glass with...
- _1 and _2 are the refractive index of two mediums and v_1 and v_2 are the velocity of light in these two mediums, respectively....
- When light is refracted into a medium from vacuum,
- An under water swimmer is at a depth of 12 m below the surface of water. A bird is at a height of 18 m from the surface of water,...
- A vessel of depth 2d cm is half filled with a liquid of refractive index _1 and the upper half with a liquid of refractive index...
- Three immiscible transparent liquids with refractive indices 3/2, 4/3 and 6/5 are arranged one on top of another. The depths of...
- A diver at a depth of 12 m in water ( = 4 3 ) sees the sky at a cone of semivertical angle
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