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प्रश्न
Can a normal convex lens behave like a concave lens and vice-versa?
उत्तर
Yes, If a lens is kept in a medium whose refractive index is more than that of the material of the lens, the normal convex lens starts behaving like a concave lens and vice-versa.
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संबंधित प्रश्न
A student has obtained a magnified image of a flame on a screen using a convex lens. To draw the corresponding ray diagram to show the image formation, which of the following two rays whose paths after refraction are shown, should he select ?
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(B) II and III
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(a) a rectangular glass block
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In figure , name the ray which represents the correct path of light while emerging out through
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