Home
Class 12
PHYSICS
Light with an energy flux of 25xx10^(4)W...

Light with an energy flux of `25xx10^(4)Wm^(-2)`falls on a perfectly refecting surface at normal incidnce. If thesurface are is `15 cm^(2),` the averge force exerted on the

A

`1.25 xx 10^(-6) N`

B

`2.50 xx 10^(-6) N`

C

`1.20 xx 10^(-6) N`

D

`3.0 xx 10^(-6) N`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC WAVES

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION - D Assertion-Reason Type Questions|25 Videos

  • ELECTROMAGNETIC WAVES

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION - B Objective Type Questions|10 Videos

  • ELECTROMAGNETIC INDUCTION

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT(SECTION -D) Assertion-Reason type Question)|15 Videos

  • ELECTROSTATIC POTENTIAL AND CAPACITANCE

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION - D|9 Videos

Similar Questions

Explore conceptually related problems

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 with an energy flux of 18 W//cm^2 falls on a non-reflecting surface at normal incidence. If the surface has an area of 20 cm^2 , find the average force exerted on the surface during a 30 minute time span.

Light with an energy flux of 18 W//cm^2 falls on a non-reflecting surface at normal incidence. If the surface has an area of 20 cm^2 , find the average force exerted on the surface during a 30 minute time span.

Light with an energy flux of 18W//cm^(2) falls on a non-reflecting surface at normal incidence. The pressure exerted on the surface is

Light with an energy flux 20 W//cm^2 falls on a non-reflecting surface at normal incidence. If the surface has an area of 30 cm^2 . the total momentum delivered ( for complete absorption)during 30 minutes is

Light with an energy flux 20 W//cm^2 falls on a non-reflecting surface at normal incidence. If the surface has an area of 30 cm^2 . the total momentum delivered ( for complete absorption)during 30 minutes is

Light with an energy flux 20 W//cm^2 falls on a non-reflecting surface at normal incidence. If the surface has an area of 30 cm^2 . the total momentum delivered ( for complete absorption)during 30 minutes is

Light with an energy flux 20 W//cm^2 falls on a non-reflecting surface at normal incidence. If the surface has an area of 30 cm^2 . the total momentum delivered ( for complete absorption)during 30 minutes is

Light with an energy flux of 18 W cm^(-2) falls on a non-reflecting surface at normal incidence. If the surface at normal incidence. If the surface has an area of 20 cm^(2) , find the average force exerted on the surface during a span of 30 min.

Light with an average flux of 20 W/(cm)^2 falls on a non-reflecting surface at normal incidence having surface area 20 cm^2 . The energy received by the surface during time span of 1 minute is:

AAKASH INSTITUTE ENGLISH-ELECTROMAGNETIC WAVES-ASSIGNMENT SECTION - C Previous Years Questions
  1. Out of the following options which one one can be used to produce a p...

    Text Solution

    |

  2. The energy of the EM waves is of the order of 15keV. To which of the s...

    Text Solution

    |

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

    Text Solution

    |

  4. Light with an energy flux of 25xx10^(4)Wm^(-2)falls on a perfectly ref...

    Text Solution

    |

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

    Text Solution

    |

  6. The electric field associated with an electromagnetic wave in vacuum i...

    Text Solution

    |

  7. The ratio of amplitude of magnetic field to the amplitude of electric ...

    Text Solution

    |

  8. The electric and the magnetic field, associated with an electromagneti...

    Text Solution

    |

  9. The decreasing order of wavelength of infrared, microwave, ultraviolet...

    Text Solution

    |

  10. Which of the following statement is false for the properties of electr...

    Text Solution

    |

  11. The electric field of an electromagnetic wave in free space is given b...

    Text Solution

    |

  12. The electric field part of an electromagnetic wave in a medium is repr...

    Text Solution

    |

  13. The velocity of electromagnetic radiation in a medium of permittivity ...

    Text Solution

    |

  14. The electric and magnetic field of an electromagnetic wave are:-

    Text Solution

    |

  15. If lambda(v) , lambda(x) and lambda(m) represent the wavelength of v...

    Text Solution

    |

  16. The velocity of electromagnetic radiation in a medium of permittivity ...

    Text Solution

    |

  17. Which of the following electromagnetic waves has smallest wavelength?

    Text Solution

    |

  18. If epsilon(0) and mu(0) are, respectively, the electric permittivity a...

    Text Solution

    |

  19. Greenhouse Effect

    Text Solution

    |

  20. The velocity of electromagnetic wave is along the direction of

    Text Solution

    |