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Write one method each of (i) production,...

Write one method each of (i) production, and (ii) detection of microwaves.

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(i) Microwaves are produced by special vacuum tubes e.g., klystrons, magnetrons and Gunndiodes.
(ii) Microwaves can be detected with the help of point contact diodes.
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U-LIKE SERIES-ELECTROMAGNETIC WAVES-SHORT ANSWER QUESTIONS
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  6. (a) Why are infra-red waves often called heat waves ? Explain. (b) W...

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  7. The oscillating magnetic field in a plane electromagnetic wave is give...

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  8. Identify the electromagnetic waves whose wavelengths vary as (a) 10^...

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  9. Identify the electromagnetic waves whose wavelengths lie in the range ...

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  10. Arrange the following electromagnetic radiations in ascending order of...

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  11. Write one method each of (i) production, and (ii) detection of microwa...

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  12. Briefly state the working principle of microwave ovens.

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  13. (a) Give one use of electromagnetic radiations obtained in nuclear dis...

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  14. The following table gives the wavelength range of some constituents of...

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  15. (a) Why do welders wear special glass goggles or face masks with glass...

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  16. How are infrared waves produced ? Why are these referred to as .heat w...

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  17. (a) Arrange the following electromagnetic waves in the descending orde...

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  18. Name the types of electromagnetic radiations which (i) are used in des...

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  19. How does Ampere-Maxwell law explain the flow of current through a capa...

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  20. Considering the case of a parallel plate capacitor being charged, show...

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