MPSC PYQScienceLightenglish
49) Sun rays required 500 seconds to reach earth's surface through the atmosphere. If the atmosphere of earth is filled with water then how much time the sun rays takes to reach the earth's surface ? 1) 500 s 2) 1015 s 3) 3600 s 4) 666.6 s
A.500 s
B.1015 s
C.3600 s
D.666.6 s
Correct answer: D