a
Stationary
b
In motion
c
Dipper
d
Ripple
Explanation
Correct Option
aVideo Explanation
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oredos
9 years ago
A stroboscope also known as a strobe, is an instrument used to make a cyclically moving object appear to be slow-moving, or stationary. It consists of either a rotating disk with slots or holes or a lamp such as a flashtube which produces brief repetitive flashes of light.
