Physics
How does the speed of light in glass change on increasing the wavelength of light?
Spectrum
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Answer
On increasing the wavelength of light in glass, the speed of light will also increase.
For example — In visible light, the speed of violet colour ( wavelength λ = 4000 Å) is least and red colour (wavelength λ = 8000 Å) is most.
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Related Questions
The frequency of violet light is 7.5 x 1014 Hz. Its wavelength in nm is :
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- 4000 nm
- 400 nm
- 750 nm
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- δG > δI > δY > δR
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Which colour of white light travels (a) fastest (b) slowest, in glass?
Name the subjective property of light related to its wavelength.