Which of the following statements supports the assumption that light travels in straight lines?
a
light can be diffracted
b
a source of light produces distinct shadows of opaque objects
c
a source of light produces interference patterns on a suitably placed screen
d
light can be reflected
Explanation
Correct Option
bNo explanation available
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mmenoakpan
11 years ago
speed=distance/time
distance=1.0km
time=5×60=300seconds
therefore,speed=1.0÷300
=3.33m/s
