Home
Class 12
PHYSICS
An electromagnetic wave going through va...

An electromagnetic wave going through vacuum is described by
` E= E_0 sin(kx- omega t), B=B_0sin(kx-omega t)`.
Then

A

`E_(0)=B_(0)`

B

`E_(0)omega=B_(0)k`

C

`E_(0)B_(0)=omegak`

D

`E_(0)k=B_(0)omega`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC WAVES

    AAKASH SERIES|Exercise EXERCISE -IB|37 Videos
  • ELECTROMAGNETIC WAVES

    AAKASH SERIES|Exercise EXERCISE -II|22 Videos
  • ELECTROMAGNETIC WAVES

    AAKASH SERIES|Exercise EXERCISE -II|22 Videos
  • ELECTROMAGNETIC INDUCTION

    AAKASH SERIES|Exercise Additional Exercise|11 Videos
  • ELECTROMAGNETICS

    AAKASH SERIES|Exercise ADDITIONAL EXERCISE|13 Videos

Similar Questions

Explore conceptually related problems

An electromagnetic wave going through vacuum is described by E= E_0sin(kx- omegat). Which of the following is/are independent of the wavelength?

The electric field of an electromagnetic wave travelling through vacuum is given by the equation E = E_(0) "sin"(kx - omegat) The quantity that is independent of wavelength is

An electromagneti wave propagationg through vacuum is given B=B_(0)sin(kx-omega) . Which of the following is/are independent of frequency?

The electric field of a plane electromagnetic wave propagating along the x direction in vacuum is vecE = E_0 hatj cos (omegat - kx) . The magnetic field vecB , at the moment t=0 is :

Electric field and magnetic filed are given as E = E_(0) sin(omega t-kx) and B = B_0 sin(omega t-kx) then select the correct option

A travelling wave in a stretched string is described by the equation y=Asin(kx- omega t) . The ratio of a square of maximum particle velocity and square of wave velocity is

The potential difference E and current I flowing through the ac circuit is given by E=5 cos (omega t -pi//6) V and I=10 sin (omega)t A . Find the average power dissipated in the circuit.

The emf and current in a circuit are such that E = E_(0) sin omega t and I = I_(0) sin (omega t - theta) . This AC circuit contains

Magnetic field in a plane electromagnetic wave is given by bar(B) = B_(0)"sin"(kx + omegat)hat(j)T Expression for corresponding electric field will be

Magnetic field in a plane electromagnetic wave is given by bar(B) = B_(0)"sin"(kx + omegat)hat(j)T Expression for corresponding electric field will be

AAKASH SERIES-ELECTROMAGNETIC WAVES-EXERCISE -IA
  1. Choose the only wrong statement from the following about electromagnet...

    Text Solution

    |

  2. Which of the following statement is true ?

    Text Solution

    |

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

    Text Solution

    |

  4. Which of the following rays has minimum frequency?

    Text Solution

    |

  5. Which of the following are not electromagnetic waves? (i) alpha-rays...

    Text Solution

    |

  6. Which of the following electromagnetic waves has smallest wavelength?

    Text Solution

    |

  7. Which of the following waves has the longest wavelength?

    Text Solution

    |

  8. If u(E ) and u(B) be the time average of the electric and magnetic fie...

    Text Solution

    |

  9. An electromagnetic radiation has an energy 14.4eV. To which region of ...

    Text Solution

    |

  10. The frequency of gamma-rays, X-rays and ultraviolet rays are a,b,c and...

    Text Solution

    |

  11. Assume that a lamp radiates power P uniformly in all directions. The m...

    Text Solution

    |

  12. When a low flying aeroplane passes over head, we sometimes notice a sl...

    Text Solution

    |

  13. A : If the earth did not have an atmosphere, its average surface temp...

    Text Solution

    |

  14. Ozone layer protestes the living cells from

    Text Solution

    |

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

    Text Solution

    |

  16. Practically ozone layer absorbs the radiation of wavelength

    Text Solution

    |

  17. A radiation of energy E falls normally on a perfectly reflecting surfa...

    Text Solution

    |

  18. The type of electromagnetic wave propagation which is effected as a re...

    Text Solution

    |

  19. X-rays are known as to be electromagnetic radi­ation. Therefore the X-...

    Text Solution

    |

  20. The altitude of the ozone layer in the atmosphere and the ‘type’ of th...

    Text Solution

    |