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If the earth did not have atmosphere, wo...

If the earth did not have atmosphere, would its average surface temperature be higher or lower than what it is now?

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PUNJAB BOARD PREVIOUS YEAR PAPERS-Electromagnetic Waves-EXERCISE
  1. Name the electromagnetic radiations used for viewing the objects or to...

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  2. Which physical quantity if any has the same value for waves belonging ...

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  3. If the earth did not have atmosphere, would its average surface temper...

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  4. Which of the following has shortest frequency-Microwaves, X-Rays, Ultr...

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  5. Which of the following has shortest wavelength Radio waves, red light,...

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  6. arrange the following radiations in descending order of wavelength : R...

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  7. Write the following radiations in ascending order of wavelength microw...

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  8. Write the following radiations in an ascending order in respect of the...

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  9. Write the following radiations in a descending order of their frequenc...

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  10. Arrange the following radiations in the descending order of wavelength...

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  11. What do you mean by displacement current ?

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  12. Draw the shape of electromagnetic waves.

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  13. Are matter waves, electromagnetic ? Write yes or no.

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  14. ..........was the first scientist who produced electromagnetic waves i...

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  15. ..........was the first scientist who produced electromagnetic waves i...

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  16. Arrange the following electromagnetic (e.m.) radiations in the increas...

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  17. What are electromagnetic waves ? Write four characteristics of these w...

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  18. What are electromagnetic waves ? Write four characteristics of these w...

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  19. What are electromagnetic waves ? Write four characteristics of these w...

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  20. What is displacement current?

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