Advertisements
Advertisements
प्रश्न
उत्तर
Two sources of light are
(a). Natural, for e.g. Sun
(b). Artificial, for e.g. Light bulb.
APPEARS IN
संबंधित प्रश्न
Write true or false of the following statement.
The image of the right hand in a plane mirror looks like that of a left hand.
If the angle between the mirror and the reflected ray is 23∘, what is the angle of incidence of the incidence ray?
Explain the following term:
Reflected ray
Draw diagram/diagrams to show them.
Give two uses of concave mirror.
Copy the figure and complete it, by drawing two rays to show the formation of the image of the object AB. State the size, position and nature of image formed.
State whether the following statement is true or false. If false, correct it.
The image formed in a plane mirror is the real, erect, and same size as that of the object.
What is reflection of light?
Why does a light ray incident on a rectangular glass slab immersed in any medium emerges parallel to itself? Explain using a diagram.
We can see objects because of ______.
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.
