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प्रश्न
The depth of a pond when seen from above appears to be less.
विकल्प
True
False
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उत्तर
True.
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संबंधित प्रश्न
State whether the following statement is true of false:
A student says that we can see an object because light from our eyes is reflected back by the object.
What is the difference between regular reflection of light and diffuse reflection of light?
Water is optically .......... than air.
When a ray of light travels from air to glass, it bends .......... the normal.
The diagram (figure) given below shows two parallel rays 1 and 2 incident on (a) a concave mirror, (b) a convex mirror. Draw the reflected rays and mark the focus by the symbol F.
Explain the working of a periscope.
The deviation of light ray from its path when it travels from one transparent medium to another transparent medium is called ______.
In the above diagram light is travelling through different media. It is noted by a scientist that ∠1= ∠3 = ∠4 but ∠2 < ∠1. Which of the following statement would be correct?
Light travels fastest in a vacuum. Why?
Twinkling of stars and Mirage are the two phenomena occurring due to refraction.
