Advertisements
Advertisements
प्रश्न
The wavelength range of white light is ______.
पर्याय
4000 nm to 8000 nm
40 nm to 80 nm
400 nm to 800 nm
4 nm to 8 nm
Advertisements
उत्तर
The wavelength range of white light is 400 nm to 800 nm.
APPEARS IN
संबंधित प्रश्न
Why do the component colours of incident white light split into a spectrum while passing through a glass prism, explain
As light rays pass from air into a glass prism, are they refracted towards or away from the normal?
What is a rainbow? What are the two conditions necessary for the formation of a rainbow in the sky?
The colour of white light which suffers the maximum bending (or maximum refraction) on passing through a glass prism is:
(a) yellow
(b) orange
(c) red
(d) violet
Define the term dispersion of light.
What do you understand by the term spectrum?
Suggest one way, in each case, by which we can detect the presence of Infrared radiations.
State the correct sequence (1-7) of colours in the spectrum formed by the prisms A and B, shown in the following figure.

The periscope is an optical device with a polished surface that reflects the light falling on it.
A prism of refractive index `sqrt2` and refracting angle A produces minimum deviation δm of a ray on one face at an angle of incidence 45°, The values of A and δm are, respectively ______.
