Home
Class 12
CHEMISTRY
For given enegy, corresponding wavelengt...

For given enegy, corresponding wavelength will be `E = 3.03 xx 10^(-19)` Joules `(h = 6.6 xx 10^(-34) j X` sec., `C = 3 xx 10^(8)` m/sec

A

65.3 nm.

B

6.53 nm

C

3.4 nm

D

653 nm

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • NEET

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise CHEMISTRY|151 Videos

  • NEET

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise QUESTION|92 Videos

  • METALLURGICAL OPERATIONS

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise MCQ|21 Videos

  • NEET 2018

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise QUESTION|45 Videos

Similar Questions

Explore conceptually related problems

What is the wavelength of light . Given energy =3.03xx10^(-19)J, h=6.6xx10^(-34)JS, c=3.0xx10^(8)m//s ?

Calculate the energy in joule corresponding to light of wavelength 45 nm : (Planck' constant h = 6.63 xx 10^-34 Js , speed of light c = 3 xx 10^8 ms^-1 )

Calculate the wavelength of an electron that has been accelerated in a particle accelerator through a potentiation difference of 100 million volts [ 1eV = 1.6 xx 10^(-19)J, m_(e) = 9.1 xx 10^(-31) kg, h = 6.6 xx 10^(-34) J s, c = 3.0 xx 10^(8) m s^(-1)]

An electron beam energes from an accelerator with kinetic energy 100eV. What is its de-Broglie wavelength? [m = 9.1 xx 10^(-31)kg, h = 6.6 xx 10^(-34)Js, 1eV = 1.6 xx 10^(-19)J]

If wavelength of photon is 2.2 xx 10^(-11)m , h = 6.6 xx 10^(-34) Js , then momentum of photons is

The photoelectric threshold wavelength of silver is 3250 xx 10^(-10) m . The velocity of the electron ejected from a silver surface by ultraviolet light of wavelength 2536 xx 10^(-10) m is (Given h = 4.14 xx 10^(6) ms^(-1) eVs and c = 3 xx 10^(8) ms^(-1))

An electron is accelerated under a potential difference of 64 V, the de-Brogile wavelength associated with electron is [e = -1.6 xx 10^(-19) C, m_(e) = 9.1 xx 10^(-31)kg, h = 6.623 xx 10^(-34) Js]

In an experiment tungsten cathode which has a threshold 2300 Å is irradiated by ultraviolet light of wavelength 1800Å . Calculate (i) Maximum energy of emitted photoelectron and (ii) Work function for tungsten. (Mention both the results in electron-volts) Given Planck's constant h=6.6 xx 10^(-34) joule-sec , leV = 1.6 xx 10^(-19) joule and velocity of light c= 3xx10^(8)m//sec

NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-NEET-MCQ
  1. For given enegy, corresponding wavelength will be E = 3.03 xx 10^(-19)...

    Text Solution

    |

  2. In a zero-order reaction for every 10^(@) rise of temperature, the rat...

    Text Solution

    |

  3. Which of the following pairs is isostractural (i.e having the same sha...

    Text Solution

    |

  4. In which of the following reactions,standard reaction entropy change(D...

    Text Solution

    |

  5. In a reaction , A + B rarr Product, rate is doubled when the concentra...

    Text Solution

    |

  6. Limiting molar conductivity of NH(4)OH [i.e., Lambda(m)^(@)(NH(4)OH)] ...

    Text Solution

    |

  7. Which of the following species contains three bond pair and one lone ...

    Text Solution

    |

  8. Buffer solutions have constant acidity and alkalinity because

    Text Solution

    |

  9. In freundlich adsorption isotherm, the value of 1/n is :

    Text Solution

    |

  10. pH of saturated solution of Ba(OH)(2) is 12. The value of solubility p...

    Text Solution

    |

  11. When Cl(2) gas reacts with hot and concentrated sodium hydroxide solut...

    Text Solution

    |

  12. Which one of the following statements is incorrect about enzyme catal...

    Text Solution

    |

  13. P(A)and P(B) are the vapour pressure of pure liquid components ,Aand B...

    Text Solution

    |

  14. The protcting power of lyophilic colloidal solution is expressed in te...

    Text Solution

    |

  15. Maximum number of electrons in a sub-shell with l = 3 and n = 4 is.

    Text Solution

    |

  16. 50 mL of each gas A and of gas B takes 150 and 200 seconds respectivel...

    Text Solution

    |

  17. Standard enthalpy of vaporisationDeltaV(vap).H^(Theta) for water at 10...

    Text Solution

    |

  18. The total number of octahedral void (s) per atom present in a cubic cl...

    Text Solution

    |

  19. Correct set of four quantum numbers for the valence (outermost) electr...

    Text Solution

    |

  20. a metal crystallizes with a face-centered cubic lattice.The edge of th...

    Text Solution

    |

  21. The enthalpy of fusion of water is 1.435 kcal//"mole". The molar entro...

    Text Solution

    |