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:
Class : Class 9
the answer is B
Ans 2:
Class : Class 7
I think plane mirrors can also do it to some extent but more prominent is concave
Ans 3:
Class : Class 6
Concave mirrors are used in solar cookers. as concave mirrors are converging, the are used to concentrate the sun's heat on the utensil.