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A cat walks directly toward a large plane mirror at a constant speed of
PHYSICS · Single correct · ICSE · Physics · Light · Light
Problem
A cat walks directly toward a large plane mirror at a constant speed of
0.80
m
s
−
1
0.80\,\text{m}\,\text{s}^{-1}
0.80
m
s
−
1
. At what speed does the cat perceive its own image approaching it? (a)
0.80
m
s
−
1
0.80\,\text{m}\,\text{s}^{-1}
0.80
m
s
−
1
(b)
3.2
m
s
−
1
3.2\,\text{m}\,\text{s}^{-1}
3.2
m
s
−
1
(c)
1.6
m
s
−
1
1.6\,\text{m}\,\text{s}^{-1}
1.6
m
s
−
1
(d)
0.00
m
s
−
1
0.00\,\text{m}\,\text{s}^{-1}
0.00
m
s
−
1
Related theory
Relative Motion & Reference Frames
Reflection of Light
Images in plane mirrors
Light
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