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प्रश्न
State the speed of light in (a) air, (b) water, and (c) glass
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उत्तर
Speed of light in
Air - 3 × 108 ms-1 or 300000 km/h
Water - 2.25 × 108 ms-1
Glass - 2 × 108 ms-1
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संबंधित प्रश्न
Study the following diagrams in which the path of a ray of light passing through a glass prism as traced by four students P, Q, R and S is shown:
The student who has traced the path correctly is
(A) P
(B) Q
(C) R
(D) S
In the following ray diagram the correctly marked angle are:
(a) ∠i and ∠e
(b) ∠A and ∠D
(c) ∠i, ∠e and ∠D
(d) ∠r, ∠A and ∠D
The property of splitting of white light into its seven constituent colours is known as
A ray of white light falls on a prism. Draw a ray diagram to show that the prism disperses the white light.
What do you understand by the term spectrum? Name the various colours present in the spectrum of sunlight.
The phenomenon of splitting of light into its component colours is ___________ .
Answer the following:
What do you mean by dispersion? Name the different colours of light in the proper sequence in the spectrum of light.
The splitting of white light in to seven colors is called ______.
The sunlight can be split into its constituent colors using ______.
The phenomena of light involved in the formation of rainbow are ______.
