Ray Optics and Optical Instruments questions
782 published questions with worked solutions.
- When sunlight is scattered by atmospheric atoms and molecules, the amount of scattered light, of wavelength 440 nm, is 'I'. What...
- When a photon enters glass from air, which one of the following quantity does NOT change? [MHT-CET 2023]
- Light travels through a glass plate of thickness 'd' and refractive index ' '. If 'c' is the velocity of light in vacuum, the...
- What is the wavelength of light of frequency 5 10^ 14 Hz in glass of refractive index 1.5? velocity of light of air [MHT-CET 2022]
- A light ray of frequency 'v' and wavelength ' ' enters a liquid of refractive index 3 2 . The ray travels in the liquid with...
- The Brewster's angle for the glass-air interface is (54.74)^0. If a ray of light passing from air to glass strikes at an angle of...
- The refraction of light ray takes place from air to water, water to glass and again glass to air. The ray emerges parallel to...
- A beam of white light is partially reflected and partially refracted from a surface. The angle between the reflected and...
- Which one of the following statement is not the property of light? [MHT-CET 2020]
- In electron microscope, final image of object is.
- Rainbow is formed due to :
- For a plano convex lens ( = 1.5) has radius of curvature 10 cm. It is silvered on its plane surface. Find focal length after...
- A tall man of height 6 feet, want to see his full image. Then required minimum length of the mirror will be :
- A bubble in glass slab ( = 1.5) when viewed from one side appears at 5 cm and 2 cm from other side, then thickness of slab is :
- A disc is placed on a surface of pond which has refractive index 5 3 . A source of light is placed 4 m below the surface of...
- A ray of light travelling in air haves wavelength , frequency n, velocity v and intensity I. If this ray enters into water then...
- Optical fibre are based on : -
- A bulb is located on a wall. Its image is to be obtained on a parallel wall with the help of convex lens. If the distance between...
- A convex lens is dipped in a liquid whose refractive index is equal to the refractive index of the lens. Then its focal length...
- A beam of light composed of red and green rays is incident obliquely at a point on the face of a rectangular glass slab. When...
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