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Electromagnetic waves of frequency 5 xx ...

Electromagnetic waves of frequency `5 xx 10^(14)` Hz are passed through a liquid.The wavelength of the waves in liquid is measured to be `4.5 xx 10^(-7) m`.
Calculate
the wavelength of e.m. waves in vacuum,

A

wavelength and frequency both remain unchanged

B

wavelength is doubled and the frequency remains unchanged.

C

wavelength is doubled and the frequenc becomes half.

D

wavelength is halved and the frequency remains unchanged.

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MODERN PUBLICATION-UNIT TEST-05-EXERCISE
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  2. Dimensions of 1/(mu0epsilon0), where symbols have their usual meanings...

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  3. Electromagnetic waves of frequency 5 xx 10^(14) Hz are passed through ...

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  4. Which of the following are not electromagnetic waves?

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  5. If a source of power 4 kW produces 10^(20) photons per second,the radi...

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  6. Which of the following radiations has the least wavelength?

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  7. Infrared radiation are detected by:

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  11. If epsilon0 and mu0 are the electric permittivity and magnetic permeab...

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  12. The electric and magnetic fields in an electromagnetic wave are

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  13. Electromagnetic waves Electromagnetic waves are those waves in which t...

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  14. The electric and magnetic fields associated with an electromagnetic wa...

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  15. Which of the following statements is false for the properties of elect...

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  16. The oscillating electric field of an electromagnetic wave is given by ...

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  17. The electric field of a plane electromagnetic wave in vaccum is repres...

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  18. Which of the following are not electromagnetic waves?

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  19. Which of the following has minimum wavelength

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  20. Arrange the given electromagnetic radiations in the descending order o...

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