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When a boat is moving in the river, does...

When a boat is moving in the river, does the water offer force of friction to its movement ?

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BINA LIBRARY-ELEMENTS OF PHYSICS ii-EXERCISE
  1. How does a charge 'q' oscillating at certain frequency produce electro...

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  2. Write down the four Maxwell's equations.

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

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

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

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

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  7. State various uses of radiowaves.

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  8. Why does friction increase if the two surfaces are pressed ?

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  9. Give three examples to show that friction is increased deliberately

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  10. What are microwaves?

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  11. The electric field vector of a plane e.m. wave oscillates with frequen...

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  12. The electric field vector of a plane e.m. wave oscillates with frequen...

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  13. In an e.m. wave amplitude of electric field is E0 = 60 N/C and its fre...

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  14. In an e.m. wave amplitude of electric field is E0 = 60 N/C and its fre...

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  15. About 10% of the power of a 100W light bulb is converted to a visible ...

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  16. About 10% of the power of a 100W light bulb is converted to a visible ...

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  17. Name the radiations of electromagnetic spectrum which are used in warf...

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

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  19. Name the radiations of electromagnetic spectrum which are used in stud...

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  20. Name the constituent radiation of e.m. spectrum which is used in satel...

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