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प्रश्न
Write the range of wavelength of the ultraviolet spectrum.
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उत्तर
The wavelength range for the ultraviolet spectrum is from 100 Å to 4000 Å.
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.
In the following diagram, the path of a ray of light passing through a glass prism is shown:
In this diagram the angle of incidence, the angle of emergence and the angle of deviation respectively are (select the correct option):
(A) X, R and T
(B) Y, Q and T
(C) X, Q and P
(D) Y, Q and P
State the cause of dispersion of white light passing through a glass prism. How did Newton show that white light of sun contains seven colours using two identical glass prisms. Draw a ray diagram to show the path of light when two identical glass prisms are arranged together in inverted position with respect to each other and a narrow beam of white light is allowed to fall obliquely on one of the focus of the first prism.
As light rays pass from air into a glass prism, are they refracted towards or away from the normal?
When white light passes through a prism, it ............
A ray of light moving from an optically rarer to a denser medium
Explain the cause of dispersion of white light through a prism.
Differentiate between a glass slab and a glass prism.
The splitting of white light in to seven colors is called ______.
What is Newton’s disc?
