Which mirror is used in solar cooker?
a. Concave mirror
b. Convex mirror
c. Plane mirror
d. None of these
Answer: Concave mirror (a)
EXPLANATION:
- Concave mirrors are the mirrors best suited to be used in solar cookers because they are the only types of mirrors that reflect sunlight towards a single focal point. Therefore option 3 is correct.
- As we know the convex mirror is known as a diverging mirror, as they diverge the incident rays after reflection. So, if it is used in a solar cooker, then it will not work as they are unable to converge light rays to a single point. Therefore option 2 is incorrect.
- Plane mirrors can be used because it helps in absorbing heat and is a good reflector but is not the best-suited mirror. Therefore option (a) is incorrect.
और जाने:
सम्बंधित प्रश्न:
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