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

Subtopic:  Dimensions |
76%
From NCERT
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SI unit of pressure is

(1) Pascal

(2) $Dynes/c{m}^{2}$

(3) cm of Hg

(4) Atmosphere

Subtopic:  Dimensions |
80%
From NCERT
PMT - 1984
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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) $m\text{\hspace{0.17em}}k{g}^{-1}K$

Subtopic:  Dimensions |
71%
From NCERT
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The unit of Stefan's constant $\sigma$ is : [This question includes concepts from Thermal Properties of Matter chapter]

(1) $W\text{\hspace{0.17em}}{m}^{-2}\text{\hspace{0.17em}}{K}^{-1}$

(2) $W\text{\hspace{0.17em}}{m}^{2}\text{\hspace{0.17em}}{K}^{-4}$

(3) $W\text{\hspace{0.17em}}{m}^{-2}\text{\hspace{0.17em}}{K}^{-4}$

(4) $W\text{\hspace{0.17em}}{m}^{-2}\text{\hspace{0.17em}}{K}^{4}$

Subtopic:  Dimensions |
57%
From NCERT
PMT - 1992
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In $$S= a+bt+ct^2,~S$$ is measured in metres and $$t$$ in seconds. The unit of $$c$$ will be:

 1 none 2 $$\text{m}$$ 3 $$\text{ms}^{-1}$$ 4 $$\text{ms}^{-2}$$
Subtopic:  Dimensions |
74%
From NCERT
PMT - 1993
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Joule-second is the unit of :

(1) Work

(2) Momentum

(3) Pressure

(4) Angular momentum

Subtopic:  Dimensions |
From NCERT
PMT - 1990
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Unit of energy in SI system is

(1) Erg

(2) Calorie

(3) Joule

(4) Electron volt

Subtopic:  Dimensions |
80%
From NCERT
PMT - 1971
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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

Subtopic:  Dimensions |
63%
From NCERT
PMT - 1971
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Wavelength of ray of light is $0.00006\text{\hspace{0.17em}}m$. It is equal to

(1) $6\text{\hspace{0.17em}\hspace{0.17em}}microns$

(2) $60\text{\hspace{0.17em}\hspace{0.17em}}microns$

(3) $600\text{\hspace{0.17em}\hspace{0.17em}}microns$

(4) $0.6\text{\hspace{0.17em}\hspace{0.17em}}microns$

Subtopic:  Dimensions |
55%
From NCERT
PMT - 1977
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Electron volt is a unit of

(1) Charge

(2) Potential difference

(3) Momentum

(4) Energy

Subtopic:  Dimensions |
From NCERT
PMT - 1993
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