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How are radio waves produced ?...

How are radio waves produced ?

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Radio waves are produced by the accelerated motion of charges in conducting wires.
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U-LIKE SERIES-ELECTROMAGNETIC WAVES-VERY SHORT ANSWER QUESTIONS
  1. To which part of the electromagnetic spectrum does the wave of frequen...

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  2. What is the name given to that part of electromagnetic spectrum which ...

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  3. Why are microwaves considered suitable for radar system used in aircra...

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  4. Which part of the electromagnetic spectrum has the largest penetrating...

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  5. Name the part of electromagnetic spectrum which is suitable for (i) ...

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  6. Name the part of electromagnetic spectrum whose wavelength lies in the...

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  7. Name the e.m. waves used for studying crystal structure of solids. Wha...

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  8. Identify the part of the electromagnetic spectrum which is produced by...

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  9. Welders wear special goggles or face masks with glass windows to prote...

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  10. Identify the part of the electromagnetic spectrum used in (i) radar, a...

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  11. The frequency of oscillation of the electric field vector of a certain...

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  12. How are radio waves produced ?

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  13. How are infrared waves produced ? What is the range of their wavelengt...

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  14. Special devices, like the klystron valve or the magnetron valve, are u...

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  15. Name the electromagnetic radiations used for (a) water purification, a...

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  16. A capacitor has been charged by a d.c. source. What are the magnitudes...

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  17. A variable frequency a.c. source is connected to a capacitor. Will the...

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  18. Why is orientation of the portable radio with respect to broadcasting ...

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  19. How does microwave oven heats up a food item containing water molecule...

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  20. Professor C.V. Raman surprised his students by suspending freely a tin...

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