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प्रश्न
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.
उत्तर
Air is a rarer medium, while water is denser than air. Therefore, when a light ray travels from air to water, it will bend towards the normal.
Refraction from rarer to denser medium
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संबंधित प्रश्न
State whether light slows down or speeds up in the following cases :
Light going from air to glass.
State whether light slows down or speeds up in the following cases :
Light going from glass to water.
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What is the speed of light in vacuum?
Light travels ______ kilometers per second in air or vacuum. In theory, nothing can travel faster than light.
Materials that allow light to pass through completely are known as ______ material.
Objects that allow light to pass through partially are called ______ material.
Materials that are not able to allow light to pass through, are called ______ material.
Two medium with a refractive index of 1.31 & 1.50 is given. In which case
- The bending of light is more and
- speed of light is more.
Light travels a distance of '10x' units in time 't1' in vacuum and it travels a distance of 'x' units in time 't2' in a denser medium. Using this information answer the question that follows:
'Light covers a distance of '20x' units in time 't1' in diamond'. State true or false.
