Home
Class 11
CHEMISTRY
The frequency of an electromagnetic radi...

The frequency of an electromagnetic radiation is `2xx10^6` Hz. What is its wavelength in metres
(Velocity of light =`3xx10^8 ms^(-1)`)

A

`6.0xx10^14`

B

`1.5xx10^4`

C

`1.5xx10^2`

D

`0.66xx10^(-2)`

Text Solution

Verified by Experts

The correct Answer is:
C
When `c=vxxlambda` than `lambda=c/v=(3xx10^8)/(2xx10^6)=1.5xx10^2` m
Promotional Banner

Topper's Solved these Questions

  • ATOMIC STRUCTURE

    ERRORLESS |Exercise Dual nature of electron|28 Videos

  • ATOMIC STRUCTURE

    ERRORLESS |Exercise Uncertainty principle and Schrodinger wave equation|22 Videos

  • ATOMIC STRUCTURE

    ERRORLESS |Exercise Atomic number, Mass number, Atomic species|56 Videos

  • SURFACE CHEMISTRY

    ERRORLESS |Exercise JEE Section (Matching Column)|2 Videos

Similar Questions

Explore conceptually related problems

The frequency of an electromagnetic wave is 1.5 xx 10^(18) Hz. Calculate wavelength in angetrom.

The wavelength of a violet radiation is 3.7xx10^(5) pm. What is its frequency ?

The momentum of a photon of an electromagnetic radiation is 4.3xx10^(-29)Kgm//s . What is the frequency of the associated wave? [h=6.6xx10^(-34)Js ,c=3xx10^(8)m//s]

A particular station of All India Radio,New Delhi, broadcasts on a frequency of 1,368kHz. The wavelength of the electromagnetic radiation emitted by the transmitter is: (speed of light, c= 3.0xx10^8 ms^(-1)

The momentum of photon of electromagnetic radiation is 3.3xx10^(-29)kgms^-1 . What is the frequency and wavelength of the waves associated with it ? h=6.6xx10^(-34)Js .

The momentum of a photon of an electromagnetic radiation is 3.3xx10^(-29) kg m/sec. What is the frequency of the associated waves ? [ h=6.6xx10^(-34) J-s]

Determine the change in wavelength of light during its passage from air to glass. If the refractive index of glass with respect to air is 1.5 and the frequency of light is 3.5 xx 10^(14) Hz, find the wave number of light in glass. [Velocity of light in air (c) = 3 xx 10^(8) m//s ]

ERRORLESS -ATOMIC STRUCTURE-Atomic models and Plancks quantum theory
  1. 1 mole of photon, each of frequency 2500 s^(-1) , would have approxima...

    Text Solution

    |

  2. Which of the following is not true in Rutherford's nuclear model of at...

    Text Solution

    |

  3. In hydrogen spectrum the different lines of Lyman series are present i...

    Text Solution

    |

  4. The emission spectrum of hydrogen is found to satisfy the expression f...

    Text Solution

    |

  5. An electronic transition from 1s orbital of an atom causes

    Text Solution

    |

  6. visible line of hydrogen spectrum will be

    Text Solution

    |

  7. Radius of Bohr's orbit of hydrogen atom is

    Text Solution

    |

  8. Based on equation E = -2.178 xx 10^-18 J((Z^2)/(n^2)), certain conclus...

    Text Solution

    |

  9. Positronium consists of an electron and a positron (a particle which h...

    Text Solution

    |

  10. The postulate of Bohr theory that electrons jump from one orbit to the...

    Text Solution

    |

  11. The frequency of an electromagnetic radiation is 2xx10^6 Hz. What is i...

    Text Solution

    |

  12. The value of n for a line Balmer series of hydorgen spectrum having th...

    Text Solution

    |

  13. Electrons revolving around the nucleus do not fall into the nucleus be...

    Text Solution

    |

  14. Assertion (A) : A spectral line will be seen for 2p(x)-2p(y) transitio...

    Text Solution

    |

  15. Assertion :Absorption spectrum conists of some bright lines separated ...

    Text Solution

    |

  16. Assertion(A): Threshold frequency is a characteristic for a metal Re...

    Text Solution

    |

  17. Assertion : The radius of the first orbit of hydrogen atom is 0.529 Å....

    Text Solution

    |

  18. Assertion : Splitting of the spectral lines in the presence of magneti...

    Text Solution

    |

  19. Assertion : Thomson's atomic model is known as 'raisin pudding' model....

    Text Solution

    |

  20. Assertion : The transition of electrons n3 to n2 in H atom will emit g...

    Text Solution

    |