MP Board · Class 10 · Science · Light – Reflection and RefractionWhich of the following lenses would you prefer to use while reading small letters found in a dictionary?
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Total Attempts: 8
Accuracy Rate: 37.5%
Step-by-Step Solution
To read small letters (magnified image), a convex lens of short focal length is used as a magnifying glass. Therefore, option B is correct.
Detailed Options Breakdown
Option : A convex lens of focal length 50 cm
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Light – Reflection and Refraction.
Option 1: A convex lens of focal length 5 cm (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: A concave lens of focal length 50 cm
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Light – Reflection and Refraction.
Option 3: A concave lens of focal length 5 cm
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Light – Reflection and Refraction.
💡 Study Guide: This question tests core syllabus concepts from Light – Reflection and Refraction. For formulas, key summaries, and mock exam reference guides, read the full Light – Reflection and Refraction Revision Notes.