Pick out the longest wavelength from the following types of radiations.
- AVisible blue light
- BUltraviolet light
- C$X$-rays
- DVisible red light
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View SolutionMatch the List-$I$ (Phenomenon associated with electromagnetic radiation) with List-$II$ (Part of electromagnetic spectrum) and select the correct code from the choices given below:
List-$I$ List-$II$ $I$. Doublet of sodium $A$. Visible radiation $II$. Wavelength corresponding to temperature associated with the isotropic radiation filling all space $B$. Microwave $III$. Wavelength emitted by atomic hydrogen in interstellar space $C$. Short radio wave $IV$. Wavelength of radiation arising from two close energy levels in hydrogen (Lamb shift) $D$. $X$-rays
| List-$I$ | List-$II$ |
| $I$. Doublet of sodium | $A$. Visible radiation |
| $II$. Wavelength corresponding to temperature associated with the isotropic radiation filling all space | $B$. Microwave |
| $III$. Wavelength emitted by atomic hydrogen in interstellar space | $C$. Short radio wave |
| $IV$. Wavelength of radiation arising from two close energy levels in hydrogen (Lamb shift) | $D$. $X$-rays |
What range of the electromagnetic spectrum is considered as visible light?
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