Advertisements
Advertisements
प्रश्न
A wave has wavelength 50Å of State the speed in vacuum.
Advertisements
उत्तर
The speed of the wave will be 3 × 108 m/s in vacuum.
संबंधित प्रश्न
Which of the following colour of white light is least deviated by the prism?
(a) green
(b) violet
(c) indigo
(d) yellow
The property of splitting of white light into its seven constituent colours is known as
Complete the ray diagram given below to show the nature of light produced on the screen.

When a white light ray falls on a prism, the ray at its first surface suffers ______.
A glass prism is able to produce the spectrum when white light passes through it, but a glass slab doesn’t produce any spectrum. Explain why it is so.
A wave has wavelength 50Å of name the wave.
Draw a neat and labelled diagram for dispersion of light.
Which of the following is a natural phenomenon which is caused by the dispersion of sunlight in the sky?
State the correct sequence (1-7) of colours in the spectrum formed by the prisms A and B, shown in the following figure.

What is a rainbow?
