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MODERN PUBLICATION-REFLECTION AND REFRACTION-EXAMPLE
- The refractive index of diamond is:
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- A ray of light passes from air to glass. The glass of incidence is 45^...
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- Velocity of light is equal to
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- An object of 3 cm height is placed at a distance of 60 cm from a conve...
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- An object 5.0 cm of length is placed at a distance of 20 cm in front o...
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- Define focal length of a lens
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- An object of 3 cm height is placed at a distance of 60 cm from a conve...
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- The image obtained with a convex lens is erect and its lenth is four t...
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- A pin of height 2 cm is placed on the principal axis of a converging l...
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- The image of the needle placed 10 cm from a lens is formed on a wall 2...
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- An object of size 3 cm is placed 14 cm in front of a concave lens of f...
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- Two thin converging lenses of focal lengths 0.15 m and 0.30 m are held...
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- Find the focal length and nature of a lens which should be placed in c...
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- The image of a candle flame placed at a distance of 30 cm form a spher...
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- Find the power of a convex lens which forms a real and inverted image ...
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- Define the principal focus of concave mirror.
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- The radius of curvature of a spherical mirror is 20cm.What is its foca...
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- Name a mirror which can give an erect and enlarged image of an object
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- Why do we perfer a convex mirror as back view mirror in vehicles?
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- Find the focal length of convex mirror whose radius of curvature is 32...
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