Q86 of 112 Page 312

Which of the following is a non-luminous object?

Non- luminous objects are those that are themselves not capable of producing their own light but can reflect light from another source. Moon reflects sunlight and hence is non-luminous.

More from this chapter

All 112 →
84

The angle between an incident ray and the plane mirror is 30°. The total angle between the incident ray and the reflected ray will be:

 85

The image of an object formed by a plane mirror is:

 87

A device which works on the reflection of light from two plane mirrors arranged parallel to one another is:

 88

The number of images formed of an object placed between two plane mirrors inclined at right angles to each other is: