Physics-Physical Quantities
NEET Physics Physical Quantities MCQ Question
Type: MCQ-numerical-Hard-Class 11
Given the dimensional formula for the time period of a pendulum T = k * (l/g)^0.5, where l is the length and g is the acceleration due to gravity, what are the dimensions of the constant k?
A
M^0L^0T^0
B
M^1L^0T^0
C
M^0L^1T^-2
D
M^0L^0T^1
Correct Answer
Option A
Detailed Explanation
The constant k is dimensionless as deduced from the context that it does not affect the dimensions of the physical quantity T.
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