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प्रश्न
When a ______ object comes in the way of light, light passes ______ it.
पर्याय
seven
star
through
transparent
opaque
colors
shape
erect
inverted
luminous
candle
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उत्तर
When a transparent object comes in the way of light, light passes through it.
संबंधित प्रश्न
Write true or false of the following statement.
Light travels in a straight-line path.
What do we call an electric bulb producing light?
Why do objects in a room become visible even if sunlight does not enter it?
Does the flame of a gas stove emit light?
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
Tick the correct answer
Glass is
Write true or false
The earth has its own light.
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.
Match the following.
| 1. | Ratio of height of image to height of object. | Concave mirror |
| 2. | Used in hairpin bends in mountains. | Total internal reflection |
| 3. | Coin inside water appearing slightly raised. | Magnification |
| 4. | Mirage | Convex mirror |
| 5. | Used as Dentist’s mirror. | Refraction |
State Rayleigh’s law of scattering.
