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Solution - Which of the following lenses would you prefer to use while reading small letters found in a dictionary? - CBSE Class 10 - Science

Question

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

Solution

(c) A convex lens of focal length 5 cm

A convex lens gives a magnified image of an object when it is placed between the radius of curvature and focal length. Also, magnification is more for convex lenses having shorter focal length. Therefore, for reading small letters, a convex lens of focal length 5 cm should be used.

  Is there an error in this question or solution?

APPEARS IN

 NCERT Science Textbook for Class 10 (with solutions)
Chapter 10: Light - Reflection and Refraction
Q: 6 | Page no. 186

Reference Material

Solution for question: Which of the following lenses would you prefer to use while reading small letters found in a dictionary? concept: null - Image Formation by Lenses - Convex Lens. For the course CBSE
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