Home
Class 12
PHYSICS
A radiation of energy E falls normally o...

A radiation of energy `E` falls normally on a perfectly reflecting surface . The momentum transferred to the surface is

A

E/C

B

2E/C

C

EC

D

`E//C^(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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

If the incident ray falls normally on the refracting surface then

Statement-1:An isolated and free electron cannot absorb a photon completely. Statement-2 : All material particles behave wave like when in motion. Statement-3: Light of intensity l , falls normally upon a plane mirror (perfectly reflecting surface ). The pressure exerted is "2l"/c

An elastic ball of mass m falls from a height h on an Aluminium disc of area A floating in a mercury pool. If the collision is perfectly elastic, the momentum transferred to the disc is :

Light with an enargy flux of 25xx10^(4) Wm^(-2) falls on a perfectly reflecting surface at normal incidence. If the surface area is 15 cm^(2) , the average force exerted on the surface is

Light is incident normally on a completely absorbing surface with an energy flux of 25 Wcm^(-2) If the surface has an area of 25 cm^(2) the momentum transferred to the surface in 40 min time duration will be:

Sound waves of frequency 660 H_(Z) fall normally on perfectly reflecting wall. The distance from the wall at which the air particles have the maximum amplitude of vibration is (speed of sound in air = 330 m//s )

Sound waves of frequency 600 H_(Z) fall normally on perfectly reflecting wall. The distance from the wall at which the air particles have the maximum amplitude of vibration is (speed of sound in air = 330 m//s )

The ray of light that strikes or falls on a reflecting surface

Photons of wavelength lamda=662 nm are incident normally on a perfectly reflecting screen. Calculate their number of photons per second falling on the screen such that the exerted force is 1 N.

A : The radiation pressure due to light waves is maximum when the surface is a perfect reflector. R : The momentum transfer by the photons to a perfectly reflecting surface is maximum.

AAKASH SERIES-ELECTROMAGNETIC WAVES-EXERCISE -IA
  1. Ozone layer blocks the radiations of wave length: (1.) less than 3 × ...

    Text Solution

    |

  2. Practically ozone layer absorbs the radiation of wavelength

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  7. Four atmospheric layers are given below, namely (i) stratosphere (ii) ...

    Text Solution

    |

  8. Infrared radiations are detected by

    Text Solution

    |

  9. Finger prints on a piece of paper may be detected by sprinkling fluore...

    Text Solution

    |

  10. The atmosphere above the height of 80 km is called

    Text Solution

    |

  11. The frequency from 3Hz to 30MHz is known as

    Text Solution

    |

  12. The frequency from 3xx10^(9) Hz to 3xx10^(10) Hz is

    Text Solution

    |

  13. A cube of edge a has its edges parallel to X, Y and Z -axis of rectang...

    Text Solution

    |

  14. Green house effect is

    Text Solution

    |

  15. One requires 11eV of energy to dissociate a carbon monoxide molecule i...

    Text Solution

    |

  16. The ratio of contributions made by the electric field and magnetic fie...

    Text Solution

    |

  17. An electromagnetic wave radiates outwards from a dipole antenna, with ...

    Text Solution

    |

  18. A variable frequency AC source is connected a capacitor . How will the...

    Text Solution

    |

  19. The condition under which a microwave oven heats up a food item conta...

    Text Solution

    |

  20. Match List-I (Electromagnetic wave type) with List-II (Its association...

    Text Solution

    |