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Why is it not possible to produce electr...

Why is it not possible to produce electro-megnetic waves in the visible region with modern electronic circuits in the laboratory ?

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MODERN PUBLICATION-ELECTROMAGNETIC WAVES-EXERCISE
  1. The source of electromagnetic waves can be a charge.

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  2. How does a charge q oscillating at certain frequency produce electroma...

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  3. Why is it not possible to produce electro-megnetic waves in the visibl...

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  4. What are electromagnetic waves?

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  5. Prove that electromagnetic waves are transverse in nature.

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  6. What do you understand by electromagnetic waves? Give their important ...

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  7. What do you understand by electromagnetic waves? Give their important ...

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  8. What is unit of 1 // mu0 epsilon0?

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  9. The amplitude of electric and magnetic fields related to each other ar...

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  10. Write an expression for speed of e.m. waves in free space.

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  11. Give two properties of electromagnetic waves.

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  12. What is electromagnetic spectrum?

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  13. What is electromagnetic spectrum? Give its four uses.

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  14. Give two peroperties and four uses of infra-red rays?

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  15. Give two uses each of the following: Gamma rays

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  16. Give two peroperties and four uses of infra-red rays?

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  17. Give two properties and four uses of ultraviolet rays?

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  18. Write any four characteristics of electromganetic waves.Give two uses ...

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  19. Write any four characteristics of electromganetic waves.Give two uses ...

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  20. Write the order of frequency range and one use of each of the followin...

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