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In summer , we are advised not to wear b...

In summer , we are advised not to wear black clothes. Assign reason.

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We know that the black bodies are good absorbers and they absorb all the radiations which are falling on them. Thus, if one wears black clothes, he or she is likely to feel more hot in summer.
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DINESH PUBLICATION-STRUCTURE OF ATOM-Concept based questions
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  2. What type of metals are used in photoelectric cells ? Give one example...

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  3. What will happen to the mass of electron if it travels with velocity o...

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  4. In summer , we are advised not to wear black clothes. Assign reason.

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  6. What is the significance of de Broglie relationship ?

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  9. When is the energy of electron regarded as zero ?

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  10. What is the difference between the notations l and L ?

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  11. Out of 3d and 4s orbitals, which is filled first ?

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  12. Why can 2p sub-shell accommodate more electrons than 2s sub-shell ?

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  15. Write down all the four quantum numbers for (i) 19th electron of .(24)...

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