Advertisements
Advertisements
प्रश्न
Tick the correct answer.
Substance which don’t allow light to pass through them,
विकल्प
Transparent substance
Opaque substance
Translucent substances
Non-luminous substance
Advertisements
उत्तर
Opaque substance
APPEARS IN
संबंधित प्रश्न
How do we see objects around us ?
Fill in the blank.
A medium which allows light to pass through it easily is called the ...................
Fill in the blank.
Light travels in a ................. path.
Select the correct alternative.
The natural source of light is
How does light make an object visible?
From among the following objects, list out the opaque, translucent, and transparent bodies in the space provided below:
A glass strip, an ordinary paper, greased paper, tracing paper, polythene sheet, wooden piece, steel plate, glycerine, kerosene oil, mustard oil, grounded glass, stone, book, water, and milk.
Opaque Transparent Translucent
Match the following.
| Group A | Group B |
| (a) Mirror | (1) Non-luminous |
| (b) Firefly | (2) Inverted image |
| (c) Pinhole camera | (3) Reflection |
| (d) Moon | (4) Luminous |
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.
If the energy of incident beam and the scattered beam is the same, then the scattering of light is called as ______ scattering.
What happens to light when it gets dispersed? Give an example.
