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Distance - Time Graph
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When a graph between two physical quanti
Question
When a graph between two physical quantities is a straight line, the two quantities are
A
Both constant
B
Independent of each other
C
Directly proportional
D
Inversely proportional
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Solution
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Correct option is C)
As we know the equation of a straight line is
Y
=
m
X
+
C
Let us assume
X
and
Y
are two different physical quantity and C is any constant. and the graph between them is straight line.
According to above equation,
Y
∝
X
Hence,
X
and
Y
are
Directly proportional.
Option C
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