Advertisements
Advertisements
Question
The reflection of a ray of light (OA) normally incident on a plane mirror is shown below

What are the angles of incidence and reflection?
Advertisements
Solution

The angle of incidence = angle of reflection = 0° because the image is perpendicular to the surface of the plane mirror.
APPEARS IN
RELATED QUESTIONS
State the characteristics of the image formed by a plane mirror.
Select the correct alternative
The property due to which a light ray striking a surface is returned back into the same medium is called
What do you mean by the term reflection of light ?
Differentiate between the reflection of light from a plane mirror and that from a plane sheet of paper.
Write down four characteristics of image formed in a plane mirror.
Draw diagrams to show the difference between regular and irregular reflection.
Complete the path of incident ray in the following case.

What is Translucent objects? Give an example.
A burning candle in water
Take a shoe box, open on one side. Place a small lighted candle in it. Place a clear glass sheet (roughly 25 cm × 25 cm) in front of this candle figure. Try to locate the image of the candle behind the glass sheet. Place a glass of water at its position. Ask your friends to look at the image of the candle through the sheet of glass. Ensure that candle is not visible to your friends. Your friends will be surprised to see the candle burning in water. Try to explain the reason.

