Advertisements
Advertisements
Question
The wavelength range of white light is ______.
Options
4000 nm to 8000 nm
40 nm to 80 nm
400 nm to 800 nm
4 nm to 8 nm
Advertisements
Solution
The wavelength range of white light is 400 nm to 800 nm.
APPEARS IN
RELATED QUESTIONS
As light rays pass from air into a glass prism, are they refracted towards or away from the normal?
In the formation of spectrum of white light by a prism:
which colour is deviated least?
In the figure given alongside, a narrow beam of white light is shown to pass through a triangular glass prism. After passing through the prism, it produces a spectrum YX on the screen.
State the colour seen (i) at X, and (ii) at Y.
The seven colours in the spectrum of sunlight in order, are represented as :
The diagram below shows the path taken by a narrow beam of yellow monochromatic light passing through an equiangular glass prism. If the yellow light is replaced by a narrow beam of white light incident at the same angle, draw another diagram to show the passage of white light through the prism and label it to show the effect of prism on the white light.
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?
In an experiment to trace the path of a ray of light through a glass prism for different values of angle of incidence a student would find that the emergent ray:
(A) is parallel to the incident ray
(B) perpendicular to the incident ray
(C) is parallel to the refracted ray
(D) bends at an angle to the direction of incident ray
How can the presence of ultraviolet radiation be detected?
______ colour is deviated the least in the spectrum of white light obtained with a glass prism.
