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प्रश्न
Image is formed by a mirror due to refraction of light.
विकल्प
True
False
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उत्तर
False.
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संबंधित प्रश्न
What are the important differences between looking at a photograph of your face and looking at yourself in a plane mirror?
What is the difference between regular reflection of light and diffuse reflection of light?
A man stands 10 m in front of a large plane mirror. How far must the walk before he is 5 m away from his image?
When a ray of light passes from air into glass, is the angle of refraction greater than or less than the angle of incidence?
Which phenomenon of light makes the water to appear shallower than it really is?
Explain with the help of a labelled ray diagram, why a pencil partly immersed in water appears to be bent at the water surface. State whether the bending of pencil will increase or decrease if water is replaced by another liquid which is optically more dense than water. Give reason for your answer.
The incident rays and refracting rays are on opposite sides of the normal.
Explain the working of a periscope.
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.
What is refractive index?
