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संबंधित प्रश्न
What do you understand by the Light?
Describe the principle of simple periscope through an outline ray diagram. Give one of its uses.
Give two uses of convex mirror.
A boy is standing in front of a plane mirror at a distance of 3 m from it.
(i) What is the distance between the boy and his image?
(ii) If the boy moves 1 m backward, find the distance between the image and the boy.
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.
A ray of light is travelling in a direction perpendicular to the boundary of a parallel glass slab. The ray of light ______.
A light ray enters from medium A to medium B as shown in Figure 10.2. The refractive index of medium B relative to A will be
Beams of light are incident through the holes A and B and emerge out of box through the holes C and D respectively as shown in the Figure Which of the following could be inside the box?
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.
