Home
Class 12
PHYSICS
If the radiation of Mo (Z = 42) has a we...

If the radiation of `Mo (Z = 42)` has a wevelength of `0.71Å`, calculate wevelength of the corresponding radiation of `Cu,i.e. , k_(alpha)for Cu (Z = 29) assuming b = 1`.

A

`1A^(@)`

B

`2A^(@)`

C

`1.52A^(@)`

D

`1.25A^(@)`

Text Solution

Verified by Experts

Use Moseley's law
Promotional Banner

Topper's Solved these Questions

  • GMP ASSESMENT

    FIITJEE|Exercise Assertion & Reason|15 Videos

  • GMP ASSESMENT

    FIITJEE|Exercise Multiple Question|58 Videos

  • GMP ASSESMENT

    FIITJEE|Exercise Numerical Based|61 Videos

  • GENERAL PHYSICS

    FIITJEE|Exercise MATRIX MATCH TYPE|3 Videos

  • GRAVITATION

    FIITJEE|Exercise Numerical based Question|2 Videos

Similar Questions

Explore conceptually related problems

The K_(alpha) line obtained for molybdenum (Z = 42) is 0.71 Å. Then, the wavelength of the K_(alpha) line of copper (Z = 29) is

X-rays emitted from a copper target and a molybdenum target are found to contains a line of wavelength 22.85nm attributed to the K_(alpha) line of an impurity element. The K_(alpha) lines of a copper (Z=29) and molybdenum (Z=42) have wavelength 15.42nm and 7.12nm respectively. Using Moseley's law, gamma^(1//2)=a(Z-b) . Calculate the atomic number of the impurity element.

Calculate frequency energy and wavelength of the radiation corresponding to the speciral line of the lowest frequency in lyman series in the spectrum of a hydrogen atom .Also calculate the energy for the coresponding line in the spectrum of Li^(2+).(R_(H) = 109.677 cm^(-1), c = 3 xx 10^(6) m s^(-1), Z = 3)

Energy levels A,B and C of a certain atom correspond to increasing values of energy i.e. E_(A) lt E_(B) lt E_(C) .If lamda_(1),lamda_(2),lamda_(3) are the wavelengths of radiation corresponding to transition C to B,B to A and C to A respectively, which of the following statements is correct ?

Energy levels A,B,C of a certain atom correspond to increasing values of energy i.e., E_(A) lt E_(B)ltE_(C) . If lambda_(1), lambda_(2), and lambda_(3) are the wavelength of radiations corresponding to the transitions C to B , B to A and C to A , respectively. Which of the following statement is correct ?

An X-ray tube produces a continuous spectrum of radiation with its short wavelength end at 0.42Å. What is the maximum energy of photon in the radiation? What is the order of accelerating voltage (for electrons) requirement in such a case? h=6.62xx10^(-34)Js and e=1.6xx10^(-19)C

Energy levels A, B, C of a certain atom corresponding to increasing values of energy i.e., E_(A) lt E_(B) lt E_(C) . If lambda_(1), lambda_(2), lambda_(3) are the wavelengths of radiations correspnding to the transitions C to B, B to A and C to A respectively, which o fthe following statements is correct?

The surface of a household radiator has an emissivity of 0.55 and an area of 1.5 m^(2) . (a) At what rate is radiation emitted by the radiator when its temperature is 50^(@)C ? (b) At what rate is the radiation absorbed by the radiator when the walls of the room are at 22^(@)C ? (c ) What is the net rate of radiation from the radiator? (stefan constant sigma = 6 xx 10^(-8)W//m^(2)-K^(4))

State Faraday's first law of electrolysis . How much charge in terms of Faraday is required for the reduction of 1mol of Cu^(2+) to Cu. (b) Calculate emf of the following cell at 298 K : Mg(s) | Mg ^(2+)(0.1 M)||Cu^(2+) (0.01)|Cu(s) [Given E_(cell)^(@)=+ 2.71V, 1 F = 96500C mol^(-1)]

FIITJEE-GMP ASSESMENT-Objective problems
  1. There are n number of radioactive nuclei in a sample that undergoes be...

    Text Solution

    |

  2. The shortest wavelength produced in an X-ray tube operating at 0.5 mil...

    Text Solution

    |

  3. If the radiation of Mo (Z = 42) has a wevelength of 0.71Å, calculate w...

    Text Solution

    |

  4. A beam of electron accelerated by a large potential difference V is ...

    Text Solution

    |

  5. An experiment measures quantities a, b, c and x the value of x is calc...

    Text Solution

    |

  6. A wire of length l = +- 0.06cm and radius r =0.5+-0.005 cm and mass m ...

    Text Solution

    |

  7. A student performs an experiment for determination of g [ = ( 4 pi^(2...

    Text Solution

    |

  8. Which of the following does not have the same dimension ?

    Text Solution

    |

  9. Two uniform solid cylinders A and B each of mass 1 kg are connected by...

    Text Solution

    |

  10. A person wants to drive on the vertical suirface of a large cylindrica...

    Text Solution

    |

  11. A force vecF=(3xy-5z)hatj+4zhatk is applied on a particle. The work do...

    Text Solution

    |

  12. Velocity of a body of mass 2kg moving in x-y plane is given by vecv=(2...

    Text Solution

    |

  13. velocity of a body of mass 2kg moving in x-y plane is given by vecv=(2...

    Text Solution

    |

  14. A block of mass sqrt(3)//10kg is placed on a rough horizontal surface ...

    Text Solution

    |

  15. Consider an infinite matrix of capacitors as shown in the figure. Th...

    Text Solution

    |

  16. Consider the circuit shown in the figure. Taking the potential to be z...

    Text Solution

    |

  17. A certain amount of a diatomic gas undergoes a certain polytropic proc...

    Text Solution

    |

  18. The figure shown the cross section of a long cylindrical conductor thr...

    Text Solution

    |

  19. A circular conducting loop of radius R carries a current I. Another st...

    Text Solution

    |

  20. Two parallel-plate capacitors with different distances between the pla...

    Text Solution

    |