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प्रश्न
Draw a ray diagram to show that the depth of a vessel containing water when seen from above, appears to be less than its real depth.
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उत्तर
When there is no water in the vessel (a) when water is added in the vessel coin appear to be at B than actually, the coin is at A. Hence, the coin appears to be raised up in water.
i.e. its height appears to be less than actual.
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संबंधित प्रश्न
Rays of light incident parallel to the principal axis pass through the focus after reflection from a concave mirror.
A concave mirror converges the light-rays, but a convex mirror diverges them.
Define the following terms :
Incident ray, Refracted ray, Angle of incidence, Angle of refraction.
What are the characteristics of an image formed in a plane mirror?
The image which can be obtained on a screen is called ______.
Assertion (A): Virtual objects can’t be seen by the human eye.
Reason (R): Virtual image is formed by converging rays.
Write the difference between real images and virtual images.
If magnification is +1.5. The image is ______.
A real image is inverted and can be caught on the screen.
