Light with an energy flux of 25×10⁴ Wm⁻² falls on a perfectly reflecting surface

Light with an energy flux of 25×10⁴ Wm⁻² falls on a perfectly reflecting surface at normal incidence. If the surface area is 15 cm², the average force exerted on the surface is

Options

(a) 1.25 x10⁻⁶ N
(b) 2.50 x10⁻⁶ N
(c) 1.20 x10⁻⁶ N
(d) 3.0 x10⁻⁶ N

Correct Answer:

2.50 x10⁻⁶ N

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. If the band gap between valence band and conduction band in a material is 5.0 eV,
  2. The fossil bone has a ¹⁴C:¹²C ratio, which is [1/16] of that in a living animal
  3. In an a.c circuit the e.m.f. (e) and the current (i) at any instant are given
  4. An ideal coil of 10 H is connected in series with a resistance of 5Ω and a battery
  5. The velocity of a particle at an instant is 10 ms⁻¹ and after 5 s the velocity