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NAVNEET PUBLICATION - MAHARASHTRA BOARD-TRUE OR FALSE-Lenses
- Power of a lens , P =(1)/(f) . True/False
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- If the power of a lens is 2 D, its focal length =0.5m. True/False
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- A concave lens is a converging lens. True/False
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- A convex lens is a diverging lens. True/False
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- A concave lens always forms a virtual image. True/False
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- Due to the light sensitive cells in the eye, we get information about ...
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- The focal length of a cancave lens is negative. True/False
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- The magnification produced by a cancave lens is positive or negative d...
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- The magnification producted by a convex lens is positive or negative d...
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- A convex lens is used as a simple microscope . True/False
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- A concave lens is used to correct myopia. True/False
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- A convex lens is used to correct hypermetropia. True/False
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- When an object is placed in front of a concave lens, its image is obta...
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- The principal focus of a convex lens is virtual . True/False
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