Advertisements
Advertisements
प्रश्न
Tick the correct answer.
A tube light is a
विकल्प
Hot source
Cold source
Incandescent source
None of these
Advertisements
उत्तर
Hot source
APPEARS IN
संबंधित प्रश्न
Fill in the blank.
Moon is a .................. body.
Tick the correct answer
Glass is
Match the following
| Column A | Column B |
| 1. Transparent object | i. Football |
| 2. Eclipses | ii. Glass |
| 3. Translucent object | iii. Fluorescent tube |
| 4. Luminous object | iv. Tracing paper |
| 5. Non - luminous object | v. Shadows |
Speed of light in air is 3 × 108 m s–1 and the refractive index of a medium is 1.5. Find the speed of light in the medium.
State whether true or false. If false, correct the statement.
If a ray of light passes obliquely from one medium to another, it does not suffer any deviation.
The mirror used in search light is ______.
If the energy of incident beam and the scattered beam is the same, then the scattering of light is called as ______ scattering.
A ray of the light incident along normal to the mirror ______ its path.
A student observes a tree given in the following figure through a pin hole camera. Which of the diagrams given in the following figure (a) to (d), depicts the image seen by her correctly?
Using a pinhole camera a student observes the image of two of his friends, standing in sunlight, wearing yellow and red shirt respectively. What will be the colours of the shirts in the image?
