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The magnetic field in plane electromagne...

The magnetic field in plane electromagnetic wave is given by `=2xx10^(-7)sin (0.5xx10^(3)xx10^(11)t)` This electro magnetic wave is

A

Visible light

B

Infrared

C

Microwave

D

Radiowave

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The correct Answer is:
D
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The magnetic field in a plane electromagnetic wave is given by B_(y) = 2xx10^7 T sin (0.5xx10^3x+1.5xx10^11 t) T (a) What is the wavelength and frequency of the wave? (b) Write an expression for the eletric field.

The magnetic field in a plane electromagnetic wave is given by B_(y) = 2xx10^7 T sin (0.5xx10^3x+1.5xx10^11 t) T (a) What is the wavelength and frequency of the wave? (b) Write an expression for the eletric field.

The Magnetic field in plane electromagnetic wave is given by B_(y)=4xx10^(-6)sin (0.2xx10^(4)x+0.6xx10^(12)t) T, then find (a)n Frequency (b) Wavelength (c) Speed of the wave (d) Expression for electric field part of electromagnetic wave

If the magnetic field in a plane electro-magnetic wave is given by vecB=3xx10^(-8) sin (1.6 xx 10^(3) x + 48 xx 10^(10)t)hatjT, then average intensity of the beam is:

If the magnetic field in a plane electro-magnetic wave is given by vecB=3xx10^(-8) sin (1.6 xx 10^(3) x + 48 xx 10^(10)t)hatjT, then average intensity of the beam is:

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AAKASH INSTITUTE ENGLISH-ELECTROMAGNETIC WAVES-ASSIGNMENT SECTION - A Objective Type Questions
  1. If E and B represent electric and magnetic field vectors of the electr...

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  2. An electromagnetic wave going through vacuum is described by E= E0 s...

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  3. Electromagnetic wave is deflected by

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  4. Which of the following travels with the speed of light ?

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  5. Red light differs from blue light in its

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  6. Which of the following has the largest wavelength?

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  7. Express velocity of electromagnetic wave in a material medium in terms...

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  8. Which of the following statement is incorrect about electromagnetic wa...

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

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  10. An electromagnetic wave is propagating in vacuum along z-axis, the ele...

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  11. The speed of em wave in the unit of 10^8m//s, in a medium of dielectri...

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  12. The magnetic field in plane electromagnetic wave is given by =2xx10^(-...

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  13. The dimensional formula of (1)/(2) epsilon(0) E^2 is (E = "electric fi...

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  14. Which of the following represents an infrared wavelength

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  15. Which of the following is not transported by electromagnetic waves?

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  16. Hertz experiment is used for

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  17. The electromagnetic radiations are caused by : (1.) A stationary char...

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  18. Ozone layer blocks the radiations of wave length: (1.) less than 3 × ...

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  19. Which of the following is used in the treatment of cancer

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  20. The following can be arranged in decreasing order of wave number A. ...

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