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CHANDRA MOHAN REDDY from dps harni, Vadodara

Subject :NSO Class : Class 8

Which of the following mirrors is/are used in solar cooker?

APlane mirrors
BConcave mirrors
CConvex mirrors
DBoth A and B

Why cant we use plane mirrors ,because this will distribute light equally instead a Concave mirror will focus light at one point.

Ans 1:

ARUNAV from DPS VINDHYANAGAR, VINDHYANAGAR

the answer is B

SUBRATA MUKHERJEE from ,

I think plane mirrors can also do it to some extent but more prominent is concave

Bhavya Sheth from Bright Day School, Vadodara

Concave mirrors are used in solar cookers. as concave mirrors are converging, the are used to concentrate the sun's heat on the utensil.