Advertisements
Advertisements
Question
Air is optically .......... than glass.
Advertisements
Solution
Air is optically rarer than glass.
APPEARS IN
RELATED QUESTIONS
State and explain the laws of reflection of light at a plane surface (like a plane mirror), With the help of a labelled ray-diagram. Mark the angles of 'incidence' and 'reflection' clearly on the diagram. If the angle of reflection is 47.5°, what will be the angle of incidence?
A man sits in an optician's chair looking into plane mirror which is 2 m away from him and views the image of a chart which faces the mirror and is 50 cm behind his head. How far away from his eyes does the chart appear to be?
State two effects caused by the refraction of light.
A ray of light when passes from glass to air, bends towards the normal.
Light travels at a lower speed in water than in air.
What do you understand by refraction of light?
Fill in the blank and Explain the completed sentences.
The change in ______ of light rays while going from one medium to another is called refraction.
Which is optically denser out of the two medium M1& M2 having the refractive indices = 1.71 and 1.36 respectively?
The ray that enters the second medium after crossing the boundary is called the:
When a light ray passes from a rarer medium to a denser medium, it bends:
