Home
Class 12
PHYSICS
Light with energy flux 36w//cm^(2) is in...

Light with energy flux `36w//cm^(2)` is incident on a well polished metal square plate of side `2cm`. The force experienced by it is

A

0.96 `mu` N

B

0.25 `mu` N

C

0.12 `mu` N

D

0.36 `mu` N

Text Solution

Verified by Experts

The correct Answer is:
A
F = `(2U)/(Ct) = (2IAt)/(Ct) , = (2IA)/(C )`
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC WAVES

    NARAYNA|Exercise EXERCISE -2(C.W)|20 Videos

  • ELECTROMAGNETIC WAVES

    NARAYNA|Exercise EXERCISE -2 ( H.W) DISPLACEMENT CURRENT|14 Videos

  • ELECTROMAGNETIC WAVES

    NARAYNA|Exercise EXERCISE -1(C.W)|32 Videos

  • ELECTROMAGNETIC INDUCTION

    NARAYNA|Exercise ASSERTION & REASON|6 Videos

  • ELECTROSTATIC POTENTIAL AND CAPACITANCE

    NARAYNA|Exercise ADDITIONAL PROBLEMS|14 Videos

Similar Questions

Explore conceptually related problems

Light with energy flux 18wcm^(-2) is incident on a mirror of size 2cmxx2cm normally. The force experienced by it and momentum delivered in one minute are

Light with energy flux 36Wm^(-3) is incident on a circular part of radius 1.4m of a perfectly balck body. The force experienced by the body and the momentum delivered in 10 minutes are

Light with energy flux of 24Wm^(-2) is incident on a well polished disc of radius 3.5 cm for one hour. The momentum transferred to the disc is

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

Electromagnetic radiation with energy flux 50W cm^(-2) is incident on a totally absorbing surface normally for 1 hour : If the surface has an area of 0.05m^(2) , then the avergae force due to the radiaton pressure, on it is,

Light of intensity 50W//m^(2) is incident on a arae of 1m^(2) in such a way that 25% of light is reflected back. Find the force exerted by light on surface if light incident perpendicularly

Light with energy flux of 18W//cm^(2) falls on a non reflecting surface of area 20cm^(2) at normal incidence the momentum delivered in 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 energy flux of 40W//cm^(2) falls on a non-reflecting surface at normal incidence. If the surface has an area of 20cm^(2) , find the average force exerted on the surface during a 30min time span.

NARAYNA-ELECTROMAGNETIC WAVES -EXERCISE -1(H.W)
  1. The voltage between the plates of a parallel plate condenser of capaci...

    Text Solution

    |

  2. A parallel plate condenser of capacity 10 muF is charged with a consta...

    Text Solution

    |

  3. A parallel plate capacitor of plate separation 2 mm is connected in an...

    Text Solution

    |

  4. The graph representing the variation of induced magnetic field in the ...

    Text Solution

    |

  5. The electrical field in the gap of a condenser charges as 10^(12)Vm^(-...

    Text Solution

    |

  6. An LC current contains inductance L=1mu H and capacitance C=0.01 muF. ...

    Text Solution

    |

  7. The wave length of the Green light of mercury is 550 nm. If the refrac...

    Text Solution

    |

  8. The all India Radio, station at Vijayawada transmits its signals at 84...

    Text Solution

    |

  9. A point source of electromagnetic radiation has an average power outpu...

    Text Solution

    |

  10. A plane E.M. wave of frequency 40 MHz travels along X-axis. At same po...

    Text Solution

    |

  11. A plane electromagnetic wave of frequency 25 Mhz travels in free space...

    Text Solution

    |

  12. An electruc field of 300V//m is confined to a circular area 10 cm in d...

    Text Solution

    |

  13. A lamp emits monochromatic green light uniformly in all directions. Th...

    Text Solution

    |

  14. Light with energy flux 36w//cm^(2) is incident on a well polished meta...

    Text Solution

    |

  15. The rms value of the electric field of the light from the sun is 720 N...

    Text Solution

    |

  16. In an electromagnetic wave, the amplitude of electric firld is 1 V/m. ...

    Text Solution

    |

  17. About 5% of the power of a 100W bulb is converted to visible radiation...

    Text Solution

    |

  18. The sun radiates electromagnetic energy at the rate of 3.9xx10^(26)W. ...

    Text Solution

    |

  19. The intensity of TV broad cast station of E=800sin(10^(9)t-kx) V//M is...

    Text Solution

    |

  20. v22

    Text Solution

    |