A thermal physical quantity is measured in calorie per gram.Its dimensional formula will be
(a)ML^0T
^-2
(b)M^2
L
^2T^
0
(c)M^2
LT^-2
(d) M^0
L^
2T
^-2
Answers
Answered by
2
Answer:
Surface tension, S=
l
F
Dimensional formula of force, F=[MLT
−2
]
∴ Dimensional formula for surface tension, S=
[L]
MLT
−2
=[MT
−2
]
Dimensional formula for density, ρ=
V
M
=
L
3
M
=[ML
−3
]
Solar constant =
R
se
2
σR
s
2
T
s
4
where all symbols have their usual meaning
Dimension of Stefan's constant, σ=[MT
−3
K
−4
]
∴ Dimensional formula for solar constant =
L
2
[MT
−3
K
−4
]×L
2
×K
4
=[MT
−3
]
Compressibility, k=−
V
ΔV
ΔP
1
∴ Dimensional formula for compressibility, k=
[L
3
]×[ML
−1
T
−2
]
[L
3
]
=[M
−1
LT
2
]
Explanation:
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Answered by
4
Answer: d) M⁰L²T⁻²
Explanation:
Calorie / gram means work/mass.
Dimension of work = M L ² T⁻²
Dimension of mass = M
Work /mass = M L² T⁻²/M=M⁰L²T⁻²
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