Why are reflectors used in a solar cooker?
ATo absorb infrared rays
BTo focus sunlight onto the cooker
CTo cool the cooker
DTo prevent dust accumulation
Answer & Solution
Correct answer: B. To focus sunlight onto the cooker
1. The cooker receives more solar energy than the direct overhead beam alone.
2. Reflectors are mirrors mounted around the cooker.
3. They catch sunlight from angles and reflect it onto the cooker.
4. The cooker therefore receives a more intense beam.
5. So reflectors concentrate sunlight onto the cooker.
_Source: NCERT Class 10 Science Ch 14 'Sources of Energy' (byjus.com extract)_
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