Physical World Units and Measurements - Result Question 26
28. The time dependence of a physical quantity is given by , where is a constant and is the time. The constant
[1993]
(a) is dimensionless
(b) has dimensions
(c) has dimensions
(d) has dimensions of
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Answer:
Correct Answer: 28. (b)
Solution:
- (b) In
, where where is dimensionless