Back to RAY OPTICS

JEE PHYSICS MCQ: RAY OPTICS

1 Easy

1 of 1

Application +4 | -1

In a convex mirror having radius of curvature

30 \mathrm{~cm}

the height of image is half the object height. What will be the object (in

\mathrm{cm}

) distance?

View answer and explanation

Correct option: A

15

Option A (15) is correct because it is calculated using the mirror formula and the magnification formula for a convex mirror.

More Questions from RAY OPTICS

Practice All Chapter MCQs →

In refraction, light waves are bent on passing from one medium to the second medium, because, in the second medium A double convex lens is made of glass which has its refractive index 1,45 for violet rays and 1.50 for red rays. If the focal length for violet ray is

20 \mathrm{~cm}

, the focal length for red ray will be Which light rays undergoes two internal reflection inside a raindrop, which of the rainbow is formed? A piece of plane glass is placed on a word with letters of different colours. The letters which appear minimum raised are A dentist has a small mirror of focal length

16 {~mm}

. He views the cavity in the tooth of a patient by holding the mirror at a distance of

8 {~mm}

from the cavity. The magnification is All of the following statements are correct except