Advertisements
Advertisements
Question
State whether true or false. If false, correct the statement.
The reason for brilliance of diamonds is total internal reflection of light.
Options
True
False
Advertisements
Solution
The reason for brilliance of diamonds is total internal reflection of light- True
APPEARS IN
RELATED QUESTIONS
A converging mirror, forms three times magnified virtual image when an object is placed at a distance of 8 cm from it. Calculate:
- the position of the image
- the focal length of the mirror.
In the figure is shown a concave mirror. A is a point on the principal axis. If an object O is kept at A, image is formed on A itself. Copy the diagram. Draw the image in the diagram. Is the image real or virtual?

Measure the distance PA and write it in the diagram. What is the distance PA called?
Mark a point B on the principal axis, at which, if a point source of light is kept, the rays travel parallel to principal axis after reflection from M. What is point B called?
Which of the following is the best reflector of light?
Match the following:
| 1. | Vegetable oil | a. | Transparent |
| 2. | Glass | b. | Translucent |
| 3. | Wood | c. | Waterproof |
| 4. | Aluminum foil | d. | Opaque |
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?
The image formed by a plane mirror is always as far behind the mirror as far the object lies in front of it.
