Advertisements
Advertisements
प्रश्न
Say TRUE or FALSE
Rainbow is formed by dispersion of which light by water drops
विकल्प
True
False
Advertisements
उत्तर
Rainbow is formed by dispersion of which light by water drops- True
APPEARS IN
संबंधित प्रश्न
A narrow beam PQ of white light is passing through a glass prism ABC as shown in the diagram.
Trace it on your answer sheet and show the path of the emergent beam as observed on the screen DE.
(i) Write the name and cause of the phenomenon observed.
(ii) Where else in nature is this phenomenon observed?
(iii) Based on this observation, state the conclusion which can be drawn about the constituents of white light.
As light rays pass from air into a glass prism, are they refracted towards or away from the normal?
As light rays emerge from a glass prism into air, are they refracted towards or away from the normal?
Why do you not see a spectrum of colours when light passes through a flat pane of glass?
When white light passes through a prism, it ............
In the spectrum of white light by a prism, the colour at the extreme end opposite to the base of prism is ______.
While performing the experiment to trace the path of a ray of light passing through a glass prism, four students marked the incident ray and the emergent ray in their diagrams in the manner shown below. 
(A) I
(B) II
(C) III
(D) IV
State two uses of ultraviolet radiation.
Distinguish between an impure spectrum and a pure spectrum.
Say TRUE or FALSE
After passing through a prism, white light splits into a band of seven colours
