The intensity of solar radiation on the earth is 450 W / m 2. Assuming the earth to be perfect black body, if the radiation pressure on the earth is p × 10-7 N / m 2 then find p.

Question

The intensity of solar radiation on the earth is 450 W / m 2. Assuming the earth to be perfect black body, if the radiation pressure on the earth is p × 10-7 N / m 2 then find p. (A)  (B)  (C)  (D)

Tardigrade Admin · Accepted Answer

P=(I/c)=(450/3 × 108) =15 × 10-7 N / m 2

Q. The intensity of solar radiation on the earth is $450 W / m^{2}$ . Assuming the earth to be perfect black body, if the radiation pressure on the earth is $p \times 1 0^{- 7} N / m^{2}$ then find $p$ .

$P = \frac{I}{c} = \frac{450}{3 \times 1 0 ^{8}}$
$= 15 \times 1 0^{- 7} N / m^{2}$

Q. The intensity of solar radiation on the earth is 450W/m2. Assuming the earth to be perfect black body, if the radiation pressure on the earth is p×10−7N/m2 then find p.

P=cI​=3×108450​ =15×10−7N/m2

Q. The intensity of solar radiation on the earth is $450 W / m^{2}$ . Assuming the earth to be perfect black body, if the radiation pressure on the earth is $p \times 1 0^{- 7} N / m^{2}$ then find $p$ .

$P = \frac{I}{c} = \frac{450}{3 \times 1 0 ^{8}}$
$= 15 \times 1 0^{- 7} N / m^{2}$