Ray Optics and Optical Instruments questions
782 published questions with worked solutions.
- In an experiment for determination of refractive index of glass of a prism by i – δ, plot, it was found that a ray incident at...
- A diverging lens with magnitude of focal length 25 cm is placed at a distance of 15 cm from a converging lens of magnitude of...
- A ray of light is incident at an angle of 60° on one face of a prism of angle 30°. The emergent ray of light makes an angle of...
- An upright object is placed at a distance of 40 cm in front of a convergent lens of focal length 20 cm. A convergent mirror of...
- A convex lens (of focal length 20 cm) and a concave mirror, having their principal axes along the same lines, are kept 80 cm...
- A concave mirror for face viewing has focal length of 0.4 m. The distance at which you hold the mirror from your face in order to...
- A convergent doublet of separated lenses, corrected for spherical aberration, has resultant focal length of 10 cm. The separation...
- Two plane mirrors are inclined to each other such that a ray of light incident on the first mirror (M_1) and parallel to the...
- A convex lens is put 10 cm from a light source and it makes a sharp image on a screen, kept 10 cm from the lens. Now a glass...
- A plano-convex lens (focal length f_2, refractive index _2, radius of curvature R) fits exactly into a plano-concave lens (focal...
- A monochromatic light is incident at a certain angle on an equilateral triangular prism and suffers minimum deviation. If the...
- An object is at a distance of 20 m from a convex lens of focal length 0.3 m. The lens forms an image of the object. If the object...
- The eye can be regarded as a single refracting surface. The radius of curvature of this surface is equal to that of cornea (7.8...
- A plano convex lens of refractive index _1 and focal length f_1 is kept in contact with another plano concave lens of refractive...
- A thin lens made of glass (refractive index = 1.5) of focal length f = 16 cm is immersed in a liquid of refractive index 1.42. If...
- There is a small source of light at some depth below the surface of water (refractive index = 4 3 ) in a tank of large cross...
- A vessel of depth 2h is half filled with a liquid of refractive index 2 2 and the upper half with another liquid of refractive...
- When an object is kept at a distance of 30 cm from a concave mirror, the image is formed at a distance of 10 cm from the mirror....
- The distance between object and its 3 times magnified virtual image as produced by a convex lens is 20 cm. The focal length of...
- A light ray is incident on a glass slab of thickness 4 3 cm and refractive index 2. The angle of incidence is equal to the...
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