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The velocity of electromagnetic waves in...

The velocity of electromagnetic waves in free space is `3 xx 10^8 m s^(-1)`.The frequency of a radio wave of wave length 150 m is

A

45 MHz

B

2 MHz

C

20 KHz

D

2kHz

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MODERN PUBLICATION-UNIT TEST-05-EXERCISE
  1. According to Maxwell's hypothesis, a changing electric field gives ris...

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  2. Velocity of light is equal to

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  3. The velocity of electromagnetic waves in free space is 3 xx 10^8 m s^(...

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  4. Deduce an expression for the frequency of revolution of a charged part...

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  5. Show that the radiations pressure exerted by an EM wave of intensity I...

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  6. In general ,the wavelength of microwaves is

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  7. Which of the following will deflect in electric field?

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  8. In these question, a statement of assertion followed by a statement of...

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  9. In these question, a statement of asertion followed by a statement of ...

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  10. In these question, a statement of assertion followed by a statement of...

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  11. In these question, a statement of asertion followed by a statement of ...

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  12. In these question, a statement of assertion followed by a statement of...

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  13. In these question, a statement of asertion followed by a statement of ...

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  14. In these question, a statement of asertion followed by a statement of ...

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  15. In these question, a statement of asertion followed by a statement of ...

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  16. In these question, a statement of assertion followed by a statement of...

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  17. Name the scientist, who first: Experimentally demonstrated the existen...

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  18. Which of the following is not the property of light?

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  19. Which of the following statement is true ?

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  20. When light passes from one medium to another medium, which one of thes...

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