Medium
Pick out the two scalar quantities in the following list:
force,angular momentum,work,current,linear momentum,electric field,average velocity,magnetic moment,relative velocity.
force,angular momentum,work,current,linear momentum,electric field,average velocity,magnetic moment,relative velocity.
- Aforce,work
- Bwork,current
- Cangular momentum,current
- Dlinear momentum,electric field
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Similar Questions
The dimensions of angular momentum,latent heat,and capacitance are,respectively:
DifficultJEE MAIN 2013
View SolutionWhich of the following quantities has a unit but is dimensionless?
Easy
View SolutionMatch 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 | $(IV)$ $[ML^{-3}T^0]$ |
Match the entries in List-$I$ with those in List-$II$.$A$. Unified interaction reducing the number of fundamental forces from four to three $(i)$ Strong interaction $B$. Force between two molecules separated by a distance near about the sum of the molecular radii $(ii)$ Gravitational force $C$. Nuclear binding force $(iii)$ Electroweak interaction $D$. Bodies of astronomical proportions $(iv)$ Electromagnetic interaction
| $A$. Unified interaction reducing the number of fundamental forces from four to three | $(i)$ Strong interaction |
| $B$. Force between two molecules separated by a distance near about the sum of the molecular radii | $(ii)$ Gravitational force |
| $C$. Nuclear binding force | $(iii)$ Electroweak interaction |
| $D$. Bodies of astronomical proportions | $(iv)$ Electromagnetic interaction |
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:
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