SATHEE: Physical World Units And Measurements Ques 2

Physical World Units And Measurements Ques 2

2. Which one of the following groups have quantities that do not have the same dimensions?

[2000]

(a) pressure, stress

(b) velocity, speed

(c) force, impulse

(d) work, energy

Show Answer

Answer:

Correct Answer: 2.(c)

Solution: (c) Force has dimension $\left[\mathrm{MLT}^{-2}\right]$ while impulse has dimension $\left[\mathrm{MLT}^{-1}\right]$, both have different dimensions.

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Physical World Units And Measurements

Physical World Units And Measurements Ques 2

2. Which one of the following groups have quantities that do not have the same dimensions?

Answer:

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