Difficult
If the percentage errors in measuring the length and the diameter of a wire are $0.1 \%$ each,the percentage error in measuring its resistance will be: (in $\%$)
- A$0.2$
- B$0.3$
- C$0.1$
- D$0.144$
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Similar Questions
Match the following (Take the relative strength of the strongest fundamental forces in nature as $1$):
$I$ (Fundamental forces in nature) $II$ (Relative strength) $(A)$ Strong nuclear force $(e)$ $10^{-2}$ $(B)$ Weak nuclear force $(f)$ $1$ $(C)$ Electromagnetic force $(g)$ $10^{10}$ $(D)$ Gravitational force $(h)$ $10^{-13}$ $(i)$ $10^{-39}$
The correct match is:
| $I$ (Fundamental forces in nature) | $II$ (Relative strength) |
|---|---|
| $(A)$ Strong nuclear force | $(e)$ $10^{-2}$ |
| $(B)$ Weak nuclear force | $(f)$ $1$ |
| $(C)$ Electromagnetic force | $(g)$ $10^{10}$ |
| $(D)$ Gravitational force | $(h)$ $10^{-13}$ |
| $(i)$ $10^{-39}$ |
The correct match is:
Which quantity among the following has neither units nor dimensions?
Match List-$I$ with List-$II$.
List-$I$ List-$II$ $(A)$ Mass density $(I)$ $[ML^2T^{-3}]$ $(B)$ Impulse $(II)$ $[MLT^{-1}]$ $(C)$ Power $(III)$ $[ML^2T^0]$ $(D)$ Moment of inertia $(IV)$ $[ML^{-3}T^0]$
Choose the correct answer from the options given below:
| List-$I$ | List-$II$ |
| $(A)$ Mass density | $(I)$ $[ML^2T^{-3}]$ |
| $(B)$ Impulse | $(II)$ $[MLT^{-1}]$ |
| $(C)$ Power | $(III)$ $[ML^2T^0]$ |
| $(D)$ Moment of inertia | $(IV)$ $[ML^{-3}T^0]$ |
Units for constants in Column-$I$ and $SI$ unit is given in Column-$II$. Match the followings:
Column-$I$ Column-$II$ $(a)$ Wien's constant $(i)$ $W m^{-2} K^{-4}$ $(b)$ Stefan-Boltzmann's constant $(ii)$ $W m^{-1} K^{4}$ $(iii)$ $m K$
| Column-$I$ | Column-$II$ |
| $(a)$ Wien's constant | $(i)$ $W m^{-2} K^{-4}$ |
| $(b)$ Stefan-Boltzmann's constant | $(ii)$ $W m^{-1} K^{4}$ |
| $(iii)$ $m K$ |
Easy
View SolutionIf the unit of force and length each be increased by four times,then the unit of energy is increased by $...$ times.
Medium
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