Advertisements
Advertisements
प्रश्न
The mirror used in search light is ______.
उत्तर
The mirror used in search light is concave mirror
APPEARS IN
संबंधित प्रश्न
Can light travel in vacuum ?
Match the following columns
| Column A | Column B |
| a. Wooden block | i. new moon's day |
| b. Sun | ii. rectilinear propagation of light |
| c. Umbra | iii. opaque body |
| d. Eclipse | iv. luminous body |
| e. Solar eclipse | v. complete dark park |
What is a transparent medium? Give two examples.
Can a transparent medium form an image? Explain your answer.
Tick the correct answer.
The natural source of light is
Write true or false
The moon has its own light.
Write true or false
The stars have no light.
The angle of deviation of light ray in a prism depends on the angle of ______.
Boojho and Paheli were given one mirror each by their teacher. Boojho found his image to be erect and of the same size whereas Paheli found her image erect and smaller in size. This means that the mirrors of Boojho and Paheli are, respectively
Observe the picture given in Fig. 11.1 carefully.
A patch of light is obtained at B, when the torch is lighted as shown. Which of the following is kept at position A to get this patch of light?
