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A sinusoidally varying potential differe...

A sinusoidally varying potential difference has amplitude 170V. What is its rms value?

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BINA LIBRARY-ELEMENTS OF PHYSICS ii-EXERCISE
  1. A sinusoidally varying potential difference has amplitude 170V. What i...

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  2. Name the scientist who predicted the existence of electromagnetic wave...

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  3. Name the scientist who first demonstrated the existence of electromagn...

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  4. State the wavelength range of visible region.

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  5. Which part of the electromagnetic spectrum carries heat energy?

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  6. Name the part of electromagnetic spectrum which is suitable for radar ...

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  7. Write down the expression of velocity of electromagnetic wave in free ...

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  8. What oscillates in electromagnetic waves? Are these waves transverse o...

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  9. Name the characteristics of e.m waves that (i) increases, (ii) remains...

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  10. Write the relationship between amplitudes of electric and magnetic fie...

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  11. Which part of the e.m. spectrum has largest penetrating power?

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  12. Arrange in descending order of wavelength gamma-rays, x-rays and visib...

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  13. Name the e.m. radiations used for studying crystal structure of solids...

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  14. What is the ratio of speed of infra-red rays and ultraviolet rays in v...

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  15. How does a charge 'q' oscillating at certain frequency produce electro...

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  16. Write down the four Maxwell's equations.

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  17. When a boat is moving in the river, does the water offer force of fric...

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  18. What are x-rays? State two important uses of it.

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  19. Explain qualitatively that an e.m. wave can propagate without material...

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  20. What is the wavelength range of gamma-rays ? State two uses of gamma-r...

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