Which type of mirrors are used in solar cooker to focus the infrared rays of the sun at a single point?
A. Concave Mirror
B. Plane Mirror
C. Parabolic co nvex Mirror
D. Convex Mirror
Answer:A
Which type of mirrors are used in solar cooker to focus the infrared rays of the sun at a single point?
A. Concave Mirror B. Plane Mirror C. Parabolic co nvex Mirror D. Convex Mirror