1.

Rays from Sun converge at a point 15 cm in front of a concave mirror. Where should an object be placed so that size of its image is equal to the size of the object? A. 30 cm in front of the mirror B. 15 cm in front of the mirror C. Between 15 cm and 30 cm in front of the mirror D. More than 30 cm in front of the mirror

Answer»

Correct option is A. 30 cm in front of the mirror

If rays converge at a point 15cm from the mirror, then, 

f = -15 cm 

then, C = -30 cm 

An object kept at C makes an image of the same size as object correct answer – 

(A) 30 cm in front of mirror



Discussion

No Comment Found

Related InterviewSolutions