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प्रश्न
Match the statements in Column A with those in Column B.
| Column A | Column B |
|---|---|
| (a) Power of a lens | (i) A lens used in photographic camera. |
| (b) Optical centre | (ii) A lens used for correcting shortsightedness use in eye. |
| (c) Second principal focus of lens | (iii) A point within a lens, such that any ray passing through it does not suffer refraction. |
| (d) Convex lens | (iv) Reciprocal of focal length in metres. |
| (e) Concave lens | (v) Parallel rays after refraction through a convex lens meet at a point on principal axis. |
जोड़ियाँ मिलाइएँ
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उत्तर
| Column A | Column B |
|---|---|
| (a) Power of a lens | (iv) Reciprocal of focal length in metres. |
| (b) Optical centre | (iii) A point within a lens, such that any ray passing through it does not suffer refraction. |
| (c) Second principal focus of lens | (v) Parallel rays after refraction through a convex lens meet at a point on principal axis. |
| (d) Convex lens | (i) A lens used in photographic camera. |
| (e) Concave lens | (ii) A lens used for correcting shortsightedness use in eye. |
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