Optics Question 506
In the above problem, the luminous flux emitted by the sun will be
Options:
A) $ 4.43\times 10^{25}\ \text{lm} $
B) $ 4.43\times 10^{26}\ \text{kg}$
C) $ 4.43\times 10^{27}\ \text{m} $
D) $ 4.43\times 10^{28}\ \text{m} $
Show Answer
Answer:
Correct Answer: D
Solution:
$ \varphi =4\pi L=4\times \pi \times 3.53\times 10^{27} $
$ =4.43\times 10^{28} \text{ lumens}. $
BETA
