The range of wavelength of the visible light is
- A$10\ \mathring A$ to $100\ \mathring A$
- B$3,900\ \mathring A$ to $7,800\ \mathring A$
- C$8,000\ \mathring A$ to $10,000\ \mathring A$
- D$10,000\ \mathring A$ to $15,000\ \mathring A$
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One requires $11 \ eV$ of energy to dissociate a carbon monoxide molecule into carbon and oxygen atoms. The minimum frequency of the appropriate electromagnetic radiation to achieve the dissociation lies in
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View SolutionMatch List $I$ with List $II$ of electromagnetic waves with their corresponding wavelength ranges:
List $I$ List $II$ $(A)$ Microwave $(I)$ $400\,nm$ to $1\,nm$ $(B)$ Ultraviolet $(II)$ $1\,nm$ to $10^{-3}\,nm$ $(C)$ $X$-Ray $(III)$ $1\,mm$ to $700\,nm$ $(D)$ Infra-red $(IV)$ $0.1\,m$ to $1\,mm$
Choose the correct answer from the options given below:
| List $I$ | List $II$ |
| $(A)$ Microwave | $(I)$ $400\,nm$ to $1\,nm$ |
| $(B)$ Ultraviolet | $(II)$ $1\,nm$ to $10^{-3}\,nm$ |
| $(C)$ $X$-Ray | $(III)$ $1\,mm$ to $700\,nm$ |
| $(D)$ Infra-red | $(IV)$ $0.1\,m$ to $1\,mm$ |
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$TV$ waves have a wavelength range of $1-10 \, m$. Their frequency range in $MHz$ is
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View SolutionMatch List-$I$ with List-$II$.
List-$I$ List-$II$ $(a)$ $10\, km$ height over earth's surface $(i)$ Thermosphere $(b)$ $70\, km$ height over earth's surface $(ii)$ Mesosphere $(c)$ $180\, km$ height over earth's surface $(iii)$ Stratosphere $(d)$ $270\, km$ height over earth's surface $(iv)$ Troposphere
| List-$I$ | List-$II$ |
| $(a)$ $10\, km$ height over earth's surface | $(i)$ Thermosphere |
| $(b)$ $70\, km$ height over earth's surface | $(ii)$ Mesosphere |
| $(c)$ $180\, km$ height over earth's surface | $(iii)$ Stratosphere |
| $(d)$ $270\, km$ height over earth's surface | $(iv)$ Troposphere |
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