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Byju's Answer
Standard XII
Physics
Dimensional Analysis
If Force =αβ...
Question
If Force
=
α
β
3
+
d
e
n
s
i
t
y
, then find dimension of
α
and
β
.
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Solution
From the principle of homogeneity,
Dimension of
β
3
=
Dimension of Density
=
[
M
L
−
3
]
⇒
Dimension of
β
=
[
M
1
/
3
L
]
Now, Dimension of Force = (Dimension of
α
)/(Dimension of Density)
⇒
[
M
L
T
−
2
]
=
D
i
m
e
n
s
i
o
n
o
f
α
[
M
L
−
3
]
⇒
D
i
m
e
n
s
i
o
n
o
f
α
=
[
M
2
L
−
2
T
−
2
]
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3
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