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Read the given statements and select the correct option. Statement 1 : Even when one half of a convex lens is covered with a black paper, the lens will produce a complete image. Statement 2 : lntensity of image is reduced when we coverthe half of a convex lens with a black paper.(A) Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1. (B) Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1 . (C) Statement 1 is true but statement 2 is false. (D) Both statements 1 and 2 are false. |
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Answer» Correct option (B) Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1 . Explanation: When we cover the half portion of the convex lens with black paper, the full image of the object can be seen but the intensity of image is reduced. Rays incident on convex lens are refracted from uncovered part only and form the full image. |
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