What are the dimensions of latent heat?

(1) $M{L}^{2}{T}^{-2}$

(2) $M{L}^{-2}{T}^{-2}$

(3) ${M}^{0}L{T}^{-2}$

(4) ${M}^{0}{L}^{2}{T}^{-2}$

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Dimensions
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The dimensional formula of pressure is

1. $\left[{\mathrm{MLT}}^{-2}\right]$

2. $\left[{\mathrm{ML}}^{-1}{\mathrm{T}}^{2}\right]$

3. $\left[{\mathrm{ML}}^{-1}{\mathrm{T}}^{-2}\right]$

4. $\left[{\mathrm{MLT}}^{2}\right]$

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Dimensions
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Light year is a unit of

(1) Time

(2) Mass

(3) Distance

(4) Energy

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Which of the following is not equal to watt ?

(1) Joule/second

(2) Ampere $×$ volt

(3) (Ampere)2 $×$ ohm

(4) Ampere/volt

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Dimensions
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A suitable unit for gravitational constant is

(1) $kg\text{-\hspace{0.17em}}m{\mathrm{sec}}^{-1}$

(2) $N\text{\hspace{0.17em}}{m}^{-1}\mathrm{sec}$

(3) $N\text{\hspace{0.17em}\hspace{0.17em}}{m}^{2}\text{\hspace{0.17em}}k{g}^{-2}$

(4) $kg\text{\hspace{0.17em}}m\text{\hspace{0.17em}}{\mathrm{sec}}^{-1}$

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The unit of angular acceleration in the SI system is

(1) $N\text{\hspace{0.17em}}k{g}^{-1}$

(2) $m\text{\hspace{0.17em}}{s}^{-2}$

(3) $rad\text{\hspace{0.17em}}{s}^{-2}$

(4) $m\text{\hspace{0.17em}}k{g}^{-1}K$

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Joule-second is the unit of :

(1) Work

(2) Momentum

(3) Pressure

(4) Angular momentum

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A cube has a numerically equal volume and surface area. The volume of such a cube is :

(1) 216 units

(2) 1000 units

(3) 2000 units

(4) 3000 units

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Electron volt is a unit of

(1) Charge

(2) Potential difference

(3) Momentum

(4) Energy

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Temperature can be expressed as a derived quantity in terms of any of the following

(1) Length and mass

(2) Mass and time

(3) Length, mass and time

(4) None of these

Concept Questions :-

Dimensions