Advertisements
Advertisements
प्रश्न
Out of air and glass, which is optically rarer? Give reason.
Advertisements
उत्तर
Air is RARER as the speed of light in air is more than the speed of light in glass.
3 × 108 ms-1 > 2 × 108 ms-1
speed of light in air > speed of light in glass
APPEARS IN
संबंधित प्रश्न
Study the following ray diagram:
In this diagram, the angle of incidence, the angle of emergence and the angle of deviation respectively have been represented by
(A) y, p, z
(B) x, q, z
(C) p, y, z
(D) p, z, y
A ray of white light falls on a prism. Draw a ray diagram to show that the prism disperses the white light.
Explain the cause of dispersion of white light through a prism.
What conclusion do you draw about the nature of white light in part (b)?
A ray of white light is passed through a glass prism and a spectrum is obtained on a screen.
- Name the seven colours of the spectrum in order.
- Do the colours have the same width in the spectrum?
- Which of the colour of the spectrum of white light deviates (i) the most, (ii) the least?
A wave has wavelength 50Å of name the wave.
Say TRUE or FALSE
Rainbow is formed by dispersion of which light by water drops
Which of the following is a natural phenomenon which is caused by the dispersion of sunlight in the sky?
Name the scientist who was the first to use a glass prism to obtain the spectrum of sunlight.
In dispersion, the color of light that will bend more is ______.
