Home
Class 11
CHEMISTRY
Two bulbs A and B are emitting monochrom...

Two bulbs A and B are emitting monochromatic light of wavelength such that A can just ionise H atom and B can just ionise `He^(+)` ions. If the power of A and B are 30 W and 40 W respectively , the ratio of number of photons emitted per second by bulb A to bulb B is :

A

3

B

4

C

`(1)/(4)`

D

`(1)/(3)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ATOMIC STRUCTURE

    GRB PUBLICATION|Exercise Bohr s Theory|123 Videos

  • ATOMIC STRUCTURE

    GRB PUBLICATION|Exercise de Brogile and Heisenberg|43 Videos

  • ATOMIC STRUCTURE

    GRB PUBLICATION|Exercise Subjective Type|55 Videos

  • CHEMICAL EQUILIBRIUM

    GRB PUBLICATION|Exercise D.Le Chateliera principle|16 Videos

Similar Questions

Explore conceptually related problems

A 100 watt bulb emits monochromatic light of wavelength 400 nm. Calculate the number of photons emitted per second by the bulb.

A 100 watt bult emits monochromatic light of wavelength 400 nm. Calcualte the number of photons emitted per second by the bulb.

Let (n_r) and (n_b) be respectively the number of photons emitted by a red bulb and a blue blub of equal power in a given time.

Two sources A and B have same power . The wavelength of radiation of A is lambda_a and that of B is lambda_b .The number of photons emitted per second by A and B are n_a and n_b respectively, then

A 100 W point source emits monochromatic light of wavelength 6000 A Calculate the total number of photons emitted by the source per second.

A 20 W light source emits monochromatic light of wavelength 600 nm the number of photons ejected per second in the form of avogardro 's number will be

GRB PUBLICATION-ATOMIC STRUCTURE-Planck s Theory
  1. In a photoelectric effect experiment , photons of energy 5.0 eV are in...

    Text Solution

    |

  2. What is the energy of photons with a wavelength of 434 nm?

    Text Solution

    |

  3. The first ionization energy of Na is 495.9 kJ mol^(-1) . What is the l...

    Text Solution

    |

  4. An acidic solution of methyl red has an absorbance of 0.451 at 530 nm ...

    Text Solution

    |

  5. Albert Einstein's explanation of the photoelectric effect confirmed wh...

    Text Solution

    |

  6. For which of the following transitions would a hydrogen atom absorb a ...

    Text Solution

    |

  7. The energy required to break one mole of hydrogen- hydrogen bonds in H...

    Text Solution

    |

  8. What is the energy of photon from a laser that emits light at 632.8 nm

    Text Solution

    |

  9. Which properties of electromagnetic radiation are inversely related?

    Text Solution

    |

  10. Which electronic transition in a hydrogen atom releases the greatest a...

    Text Solution

    |

  11. What is the frequency of light with a wavelength of 480 nm

    Text Solution

    |

  12. A 124 W bulb converts only 15 % of the energy supplied to it into visi...

    Text Solution

    |

  13. The first ionization energy of caesium is 6.24 xx 10^(-19)J//"atom" . ...

    Text Solution

    |

  14. Two bulbs A and B are emitting monochromatic light of wavelength such ...

    Text Solution

    |

  15. An iodine molecule dissociates into atom after absorbing light of wav...

    Text Solution

    |

  16. A photon of energy hv is absorbed by a free electron of a metal having...

    Text Solution

    |

  17. Minimum accelerating potential (volts) needed to accelerate an electro...

    Text Solution

    |

  18. If lambda(0) is the threshold wavelength for photoelectric emission. ...

    Text Solution

    |

  19. Wavelength of Radiowaves is :

    Text Solution

    |

  20. In the following transition which statement is correct ?

    Text Solution

    |