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MODERN PUBLICATION-UNIT TEST -06-EXERCISE
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- A plano-convex lens is made of refractive index 1.6.If the radius of c...
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- Focal length of a convex lens of refractive index 1.5 is 2 cm.Focal le...
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- A convex lens is dipped in a liquid,whose refrctive index is equal to ...
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- A lens is placed between a souce of light and a wall.It forms images o...
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- A boy is trying to start a fire by focussing sunlight on a piece of pa...
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- A bulb is located on a wll.Its image of equal size is to be obtained o...
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- A luminous object is placed at a distance of 30 cm from the convex len...
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- A lens having focal length f and aperture of diameter d//2 in the cent...
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- A plano-convex lens is made of a material of refrative index mu=1.5.Th...
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- The radius of curvatrure of a thin plano-convex lens is 10 cm (of cur...
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- A convex lens is dipped in a liquid,whose refrctive index is equal to ...
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- If a convex lens of focal length 80 cm and a concave lens of focal len...
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- A convex lens and a concave lens ,each having same focal length of 25 ...
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- Two thin lenses of focal length f1 and f2 are in contact and coaxial.T...
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- A beam of light composed of red and greeen ray is incident obliquely a...
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- A ray light is incident on a 60^@ prism at the minimum deviation posit...
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- The refracting angle of a prism is 60^@ nd the refractive index of the...
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