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Which one statement is incorrect about e...

Which one statement is incorrect about electromagnetic wave

A

`vec(E)xxvec(B)` gives always direction of propagation

B

`vec(E)` is always perpendicular to `vec(B)`

C

Transverse in nature

D

`vec(E)` is always parallel to `vec(B)`

Text Solution

Verified by Experts

The correct Answer is:
D
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MOTION-ELECTRO MAGNETIC WAVES -EXERCISE - 2
  1. The dimension of E/H is that of

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  2. Poynting vector vec P for an EM wave is

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  3. Which one statement is incorrect about electromagnetic wave

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  4. In an electromagnetic wave, the amplitude of electric field is 10 V/m....

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  5. To establish an instantaneous displacement current of 2A in the space ...

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  6. Which of the following have zero average value in a plane electromagne...

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  7. Which one statement is incorrect

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  8. A plane electromagnetic wave of frequency 25 Mhz travels in free space...

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  9. Displacement current is

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  10. In a plane electromagnetic wave propagating in space has an electric f...

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  11. A radiowave has a maximum magnetic field induction of 10^(–4) T on arr...

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  12. A capacitor is having a capacity of 2pF. Electric field across the cap...

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  13. The shortest wavelength is for

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  14. An accelerated charge

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  15. The electromagnetic radiations are in descending order of wavelength i...

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  16. X -rays and gamma rays are both electromagnetic waves. Which of the fo...

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  17. Which of the following are not electromagnetic waves ?

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  18. The frequencies of X-rays, gamma-rays and ultraviolet rays are respect...

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  19. A plane electromagnetic wave of frequency 40 MHz travels in free space...

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  20. In Q.30, the magnitude and direction of magnetic field will be

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