Physics · Light - Reflection and Refraction
Which of the following lenses would you prefer to use while reading small letters found in a dictionary?
- 1A concave lens of focal length 50 cm
- 2A convex lens of focal length 50 cm
- 3A concave lens of focal length 5 cm
- 4A convex lens of focal length 5 cm✓
Correct answer
A convex lens of focal length 5 cm
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