Q15 of 223 Page 173

A ray of light strikes a plane mirror such that its angle of incidence is 30°. What angle the reflected ray make with the mirror surface?

Second law of reflection says, angle of incidence is equal to the angle of reflection.

Angle of incidence=30°


Such that angle of reflection=30°


Now, the angle made by the reflected ray with mirror surface=90°-30°=60°


More from this chapter

All 223 →
13

State whether the following statement is true or false:

A student says that an object can be seen because light is reflected back by the object to our eyes.

 14

Where is the image when you look at something in a mirror?

 16

What is the difference between a real image and a virtual image? Give one example of each type of image.

 17

The letter E is placed in front of a plane mirror:

(a) How would its image look like when seen in a plane mirror?


(b) What is the name of the phenomenon involved?