Advertisements
Advertisements
Question
Reflection occurs , when the light
Options
about to reach a surface
approaches a surface
passes through a surface
None of these
Solution
approaches a surface
APPEARS IN
RELATED QUESTIONS
David is observing his image in a plane mirror. The distance between the mirror and his image is 4 m. If he moves 1 m towards the mirror, then the distance between David and his image will be ______.
You are standing at a distance of 2 meters from a plane mirror.
What is the distance of your image from the mirror?
If the angle between the mirror and the reflected ray is 23∘, what is the angle of incidence of the incidence ray?
Locate the image termed when the object is placed between two planes as shown in the following figure.
Complete the path of incident ray in the following case.
The moon ______ sun light.
______ through which light cannot pass.
Which of the following can make a parallel beam of light when light from a point source is incident on it?
Why does a light ray incident on a rectangular glass slab immersed in any medium emerges parallel to itself? Explain using a diagram.
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.