Ray Optics and Optical Instruments questions
782 published questions with worked solutions.
- A plano convex lens fits exactly into a plano-concave lens with plane surfaces parallel to each other. The radius of curvature of...
- For concave mirror, if the object is just beyond the focal length, the image formed is [MHT-CET 2023]
- For convex mirrors, whatever may be the position of the object, the image formed is always on the [MHT-CET 2023]
- A thin lens of glass of refractive index 1.5 has focal length 24 cm in air. It is now immersed in a liquid of refractive index...
- When a ray of light is refracted from one medium to another, then the wavelength changes from 6000 Å to 4000 Å. The critical...
- For convex mirrors, whatever may be the position of the object, the image formed is always on the [MHT-CET 2023]
- The refractive index of glass is 1.5 and that of water is 1.33. The critical angle for a ray of light going from glass to water...
- For convex mirrors, whatever may be the position of the object, the image formed is always on the [MHT-CET 2023]
- When a ray of light is incident at an angle of 30^0 on an equilateral glass prism, it suffers minimum deviation. The angle...
- When a light ray is incident on a prism at an angle of 45^0, the minimum deviation is obtained. If refractive index of material...
- When lens of refractive index ' _1' is placed in liquid of refractive index ' _2', the lens looks to be disappeared only if...
- Focal length of a convex lens will be minimum for [MHT-CET 2023]
- The critical angle for light travelling from medium P to medium Q is ' '. The speed of light in medium P is 'v'. Then the speed...
- For a prism, 'A' is the angle of prism, ' ' is the angle of deviation, is the refractive index of the material of a prism, the...
- In vacuum, light takes time 't' to travel a distance 'd' and it takes time 'T' to travel a distance '5d' in a denser medium. The...
- For the same angle of incidence, the angle of refraction in four media A, B, C and D are 25^0, 30^0, 35^0 and 40^0 respectively....
- A thin concave lens is in contact with a thin convex lens. The ratio of the magnitude of the reciprocal of focal length of...
- A ray of light travels from air to water to glass and again from glass to air. Refractive index of water with respect to air is...
- The angle of minimum deviation produced by a thin glass prism in air is ' '. If that prism is immersed in water, the angle of...
- An equi-convex lens has radius of curvature 'R'. The refractive index of the material of the lens when numerical value of 'R' and...
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