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प्रश्न
Compare the speeds of light of wavelength 4000 Å (i.e. violet light) and 8000 Å (i.e. red light) in vacuum.
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उत्तर
Speed of light depends on medium not on wavelength hence speed will be same for both.
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संबंधित प्रश्न
Select the correct alternative
The speed of light is maximum in
State whether light slows down or speeds up in the following cases :
Light going from water to air.
A light ray suffers reflection and refraction at the boundary in passing from air to water. Draw a neat labelled ray diagram to show it.
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What is the speed of light in vacuum?
Higher Order Thinking Skills.
Light ray emerges from water into air. Draw a ray diagram indicating the change in its path in water.
Light travels ______ kilometers per second in air or vacuum. In theory, nothing can travel faster than light.
Define transparent materials.
The speed of light decreases in a denser medium, light bends towards the normal.
Light is one of the slowest traveling energy with a speed of 3 × 10-8ms-1
