50 W/m |
|||

(a) |
20 10 |
(b) |
35 10 |

(c) |
15 10 |
(d) |
10 10 |

50 W/m |
|||

(a) |
20 10 |
(b) |
35 10 |

(c) |
15 10 |
(d) |
10 10 |

1 Answer

127 votes

p= and pressure =I/c

∴ + ⇒ for one photon

∴ =pressure

But =50 W/m^{2}

∴^{ } =Pressure

∴ F_{n=} =20 10^{−8 }N

127 votes

127