Which of the following lenses would you prefer to use while reading sm – InterviewSolution

InterviewSolution

1.	Which of the following lenses would you prefer to use while reading small letters found in a dictionary ?
Answer» A convex lens of focal LENGTH 50 cm A concave lens of focal length 50 cm A convex lens of focal length 5 cm A concave lens of focal length 5 cm SOLUTION :A convex lens is preferred because it can form a magnified image. Moreover, we prefer lens of lower focal length (f = 5 cm), so that its POWER is large.

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