Ray Optics and Optical Instruments questions
782 published questions with worked solutions.
- A thin prism P_1 with angle 4^0 and made from glass of refractive index 1.54 is combined with another thin prism P_2 made from...
- Light travels from an optically denser medium 'A' into the optically rarer medium 'B' with speeds 1.8 10^8 m s and 2.7 10^8 m/s...
- A simple microscope is used to see the object first in blue light and then in red light. Due to the change from blue to red...
- A biconvex lens (R_1=R_2=20 cm) has focal length equal to focal length of concave mirror. The radius of curvature of concave...
- The refractive index of glass is 3/2 and that of water is 4/3. The critical angle for a ray of light going from glass to water is...
- The magnifying power of an refracting type of astronomical telescope is 'm'. If focal length of the eyepiece is doubled, the...
- A ray of light is incident at an angle of incidence 'i' on one surface of a thin prism of small angle 'A'. The ray emerges...
- 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...
- In the case of spherical mirrors, the images formed on the side of the object and images formed on the opposite side are...
- A ray of light is incident at an angle 'i' on one face of a thin angled prism. The ray emerges normally from the other face....
- An object is clearly seen through an astronomical telescope of length 50 cm. The focal lengths of its objective and eyepiece...
- A concave mirror of focal length 'f_1' is placed at a distance 'd' from a convex lens of focal length 'f_2'. A parallel beam of...
- A prism having refractive index 2 and refractive angle 30^0 has one of the refracting surfaces silvered. The beam of light...
- Two identical equi-convex glass lenses ( =1.5) each of focal length 'f' are in contact. The space between the two lenses is...
- A ray of light passes through equilateral prism such that the angle of incident is equal to angle of emergence and each of these...
- The refractive index of diamond, glass and water w.r.t. air are 2.42, 1.5 and 1.33 respectively. Let V_d, V_g and V_w are...
- The size of the image formed by a convex lens of focal length 'f', is half the size of the object. The distance of the object...
- The angle of minimum deviation produced by a thin prism in air is ' _1'. What will be the minimum deviation ' _2' if prism is...
- An equi-convex lens made of glass has refractive index 1.5. If radius of each surface is changed from 5 cm to 6 cm then power...
- An object is located on a wall, its image of equal size is to be obtained on a parallel wall with the help of a convex lens. The...
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