Q14 of 112 Page 310

Name the apparatus which is used to obtain a thin beam of light.

The apparatus used to obtain a thin beam of light is known as Ray box. The rays are bright enough to be viewed easily. A ray box is a standard source of light used in optics experiments.


More from this chapter

All 112 →
12

What is the angle of reflection when a ray of light is incident normally on a plane mirror?

 13

What is the angle of incidence of a ray of light if the reflected ray is at an angle of 90° to the incident ray?

 15

What type of reflection of light takes place from:

(a) a rough surface?


(b) a smooth surface?

 16

Which type of reflection of light, regular reflection or diffuse reflection, leads to the formation of images?