Advertisements
Advertisements
Question
Tick the correct answer.
Substance which don’t allow light to pass through them,
Options
Transparent substance
Opaque substance
Translucent substances
Non-luminous substance
Advertisements
Solution
Opaque substance
APPEARS IN
RELATED QUESTIONS
How does light make an object visible?
Explain the difference between a transparent, a translucent, and an opaque medium. Give two examples of each.
Name a few living things which emit light.
Write the names of some cold light-emitting objects.
Fill in the blank
A ............. is formed when the path of light is obstructed by an ..............
Write true or false
The stars have no light.
Light travels only in a______ It is because of this property that______ are formed.
Light is a form of ______.
Speed of light in air is 3 × 108 m s–1 and the refractive index of a medium is 1.5. Find the speed of light in the medium.
Observe the picture given in the following figure carefully.

A patch of light is obtained at B, when the torch is lighted as shown. Which of the following is kept at position A to get this patch of light?
