Physics

# Out of the following the only pair that does not have identical dimensions is

moment of inertia and moment of a force

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Single Correct Hard Published on 18th 08, 2020
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Subjects 8
Chapters 125
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#### Realted Questions

Q1 Subjective Medium
If $y = \dfrac { t } { \varepsilon _ { 0 } L V }$ where t is time, $L$ is length, $V$ is potential and $\varepsilon _ { 0 }$ is permittivity, then dimension of $y$ is same as that of:

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020

Q2 Subjective Medium
How many base and supplementary' units are there in S.I. system?

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020

Q3 Single Correct Medium
The volume of a sphere is $1.76\;{cm }^{ 3 }$. The volume of 25 such spheres according to the idea of significant figures in ${cm}^{ 3 }$ is
• A. 44.00
• B. 44.0
• C. 44
• D. 4.4

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020

Q4 Subjective Medium
It takes time 8 min for light to reach from the sun to the earth surface. If speed of light is taken to be $3 \times 10^{8} ms^{-1}$, find the distance from the sun to the earth in km.

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020

Q5 Single Correct Medium
Which of the following is incorrect statement ?
• A. A dimensionally correct equation may be correct
• B. A dimensionally correct equation may be incorrect
• C. A dimensionally incorrect equation may be correct
• D. A dimensionally incorrect equation is incorrect

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020