Question
Define non-luminous object and give examples.
✓
Answer
A non-luminous object is one that does not produce its own light, although it can still reflect light from other sources. The Moon is an example of a non-luminous object; we can only see the Moon because it reflects light from the Sun.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
A cyclist doubles his speed. How will his kinetic energy change: increase, decrease or remain same ?
Give an example of body moving with (a) uniform velocity (b) variable velocity. Define the both terms.
How can you find the length of a rectangular body, if you know its area and breadth without using a measuring scale?
What do you mean by translatory motion ? Give one example.
In the following diagrams, measure and write the angle of incidence and draw the reflected ray in each case.
Ice wrapped in a wire gauze placed in water does not ‘ melt even when the water boils.
Define (a) rest (b) motion. Give an example in each case.
What do you understand by the term volume of a substance.
Describe how the energy is carried to the ear, from the source of sound, through a material medium.
Name the form of energy which a wound up watch spring possess.