alleryStart learning →A concave mirror is used in a solar cooker mainly because it can
Adiverge sun rays out widely
Bform only tiny virtual images
Creflect only the red sun rays
Dconverge sun rays to its focus
Answer & Solution
Correct answer: D. converge sun rays to its focus
1. Sunlight reaches the Earth as a nearly parallel beam.
2. A concave mirror converges parallel rays to its focal point.
3. A vessel at the focus receives concentrated heat and cooks the food.
_Source: AP/TS SCERT Class 10 Physical Science, "Reflection of Light at Curved Surfaces"_
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