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प्रश्न
The speed of light is more in glass than in water.
पर्याय
True
False
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उत्तर
False.
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संबंधित प्रश्न
Fill in the following blank with suitable word:
Light bends when is passes from water into air. We say that it is ............
A ray of light travelling in air is incident on a rectangular glass block and emerges out into the air from the opposite face. Draw a labelled ray diagram to show the completer path of this ray of light. Mark the two points where the refraction of light takes place. What can you say about the final direction of ray of light?
When a ray of light travelling in glass enters into water obliquely ______.
A vertical ray of light strikes the horizontal surface of some water:
- What is the angle of incidence?
- What is the angle of refraction?
Light enters from air to glass having refractive index 1.50. What is the speed of light in the glass? The speed of light in vacuum is 3 × 108 m s−1.
The laws of reflection hold true for ______.
Due to _______ pencil looks bent in water, in the given experiment.
The speed of light varies in different media.
Numerical problems.
The speed of light in water is 2.25 × 108 ms–1. If the speed of light in vacuum is 3 × 108 ms–1, calculate the refractive index of water.
How does the light travel?
