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Question 6Which of the following lenses would you prefer to use while reading small letters found in a dictionary?(a) A convex lens of focal length 50 cm(b) A concave lens of focal length 50 cm(c) A convex lens of focal length 5 cm(d) A concave lens of focal length 5 cm |
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Answer» Question 6 Which of the following lenses would you prefer to use while reading small letters found in a dictionary? (a) A convex lens of focal length 50 cm (b) A concave lens of focal length 50 cm (c) A convex lens of focal length 5 cm (d) A concave lens of focal length 5 cm |
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