Light and Sources of Light
Light and Sources of Light: Overview
This topic covers concepts such as Sources of Light, Obstruction of Light, Beam of Light, Objects in Terms of Light and Luminous Objects.
Important Questions on Light and Sources of Light
Plain paper is transparent whereas an oiled paper is _____ (opaque / translucent).
We cannot see anything without _____ (light/heat).
The sun is a _____ (luminous/ non-luminous) object.
Butter paper is an example of _____ objects.
Give one example of luminous object.
Give one example of a non-luminous object.
Identify the object and write L for luminous object and N for non-luminous object.
Identify the object and write L for the luminous object and N for the non-luminous object.
Identify the object and write L for luminous object and N for non-luminous object.
Name the natural source of light which is an animal.
Which of the following objects is/are luminous?
Form of energy that enables us to see things is:
Choose the right word:
Name a heavenly body that shines but does not have light of its own.
(Star/Sun/Planet)
Electric bulb, tube light, and the sun are examples of luminous objects.
Observe the following picture. Find out the sources of light from this picture. Write their names in the space provided.
Give one word for an object that does not give out light of its own. (Luminous/Non-luminous)
Name the following: An object that gives the light of its own.
(Choose from the following: Luminous object/ Non-luminous object)
Objects that do not give out light of their own are called
A _____ of light is made up of several rays of light.
