Advertisements
Advertisements
प्रश्न
Which colour of light travels fastest in any medium except air?
Advertisements
उत्तर
The red colour of light will travel the fastest in any medium.
APPEARS IN
संबंधित प्रश्न
Write a short note on dispersion of light.
Which of the above wavelengths has a higher frequency?
Fill in the blanks to complete the following sentence
When light travels from a denser to a rarer medium, its speed ……………….
Select from the following the best experimental set-up for tracing the path of a ray of light through a glass slab:
(A) I
(B) II
(C) III
(D) IV
What is the correct reason for blinking / flickering of stars? Explain it.
a) The blasts in the stars.
b) Absorption of star light by the atmosphere.
c) Motion of the stars.
d) Changing refractive index of gases in the atmosphere.
Make the correct for each of the following :
With reference to the fig, the refractive index of the glass block is
Name the phenomenon responsible in the following case:
Twinkling of stars
Glass is transparent in nature. Why does glass powder look opaque? When water is poured over it, it again becomes transparent. Why?
What is lateral displacement?
