Which of the following radiations of electromagnetic waves has the highest wavelength?
- A$UV$-rays
- B$IR$-rays
- CMicrowaves
- D$X$-rays
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View SolutionPhotons of an electromagnetic radiation have an energy of $11 \, keV$ each. To which region of the electromagnetic spectrum does it belong?
The following table presents parts of the electromagnetic spectrum and their corresponding major applications. Part of the electromagnetic spectrum Applications $P$. Microwave $I$. For purifying the water $Q$. $UV$ rays $II$. For warming the food $R$. Gamma rays $III$. For $AM$ and $FM$ communication systems $S$. Radio wave $IV$. For treating the cancer cells
The correct option is:
| Part of the electromagnetic spectrum | Applications |
| $P$. Microwave | $I$. For purifying the water |
| $Q$. $UV$ rays | $II$. For warming the food |
| $R$. Gamma rays | $III$. For $AM$ and $FM$ communication systems |
| $S$. Radio wave | $IV$. For treating the cancer cells |
MediumNEET 2026
View SolutionWhat protects us from $UV$ light emitted by the Sun?
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