Ray Optics and Optical Instruments questions
782 published questions with worked solutions.
- A glass slab of thickness 4.8 cm is placed on the piece of paper on which an ink dot is marked. By how much distance would an ink...
- A ray of light incident on one face of an equilateral glass prism having refractive index 2 , produces the emergent ray which...
- A lens of refractive index ' ' has focal length 'f'. When the lens is immersed in a liquid of refractive index _0 its focal...
- A simple microscope is a combination of two lenses in contact. Their powers are +20D and -4D. The distance of distinct vision is...
- A convex lens of focal length 13 m forms a real, inverted image twice the size of the object. The distance of the object from the...
- Light travels a distance 'x' in time 't_0' in air and '4x' in time 't_1' in another denser medium. The critical angle for this...
- A glass slab of thickness 6.0 cm is placed on the piece of paper on which an inkdot is marked. By how much distance would an...
- The length of the compound microscope is 15 cm. The magnifying power for relaxed eye is 25. If the focal length of eye lens is 6...
- A thin glass prism has refractive index 1.5. The correct relation between the angle of minimum deviation ( ) and angle of...
- The prism has refracting angle A. The second refracting surface of the prism is silvered. Light ray falling on first refracting...
- A plano convex lens fits exactly in to a plano concave lens. Their plane surfaces are parallel to each other. Lenses are made up...
- A ray of light travelling through rarer medium is incident at a very small angle 'i' on a glass slab and after refraction its...
- The phenomenon, which is not due to total internal reflection is
- A concave lens (refractive index = 1.5) has both surfaces of same radius of curvature R. If it is immersed in a liquid of...
- Two thin lenses having R_1, R_2 as the radii of curved surfaces are kept coaxially together. Their power is proportional to
- A convex lens of refractive index 1.5 has power 3D. It is placed in a liquid of refractive index 2. The new power of the lens is
- A ray of light is incident on first face of an equilateral glass prism at an angle of incidence 'i'. The emergent ray just grazes...
- A glass cube of length 21 cm has a small air bubble trapped inside. When viewed normally from the opposite face, its apparent...
- A monochromatic ray of light is incident normally on a thin prism of refracting angle A. The ray is deviated through an angle...
- Three immiscible transparent liquids with refractive indices 3 2 , 4 3 and 6 5 are arranged one above the other in a container....
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