Questions
Express 1light year in terms of meters. What is its order of magnitude.
a
16
b
26
c
6
d
36
detailed solution
Correct option is A
Speed of light c=3×108m/s Time for one year t=1year = 365×24×60×60 Second distance travelled by light in a year=ct=3×108×365×24×60×60 1 light year=0.9467×1016 Order of magnitude = 16Talk to our academic expert!
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