Lessons

Eamcet Physics
2 nd Year : Unit 6.1 ( Optics ) - Optics

53 / 101

Q.

A boy is trying to start a fire by focusing sunlight on a piece of paper using an equiconvex lens of focal length 10cm. The diameter of the sun is 1.39x109 m and its mean distance from the earth is 1.5 x1011 m. What is the diameter of the sun’s image on the paper

View Answer

Correct choice: C

Explanation:

None
53 / 101