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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: Â Dimensions |
Â 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: Â Dimensions |
Â 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: Â Dimensions |
From NCERT
PMT - 1993
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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 the above
Subtopic: Â Dimensions |
Â 73%
From NCERT
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Unit of power is:

(1) Kilowatt

(2) Kilowatt-hour

(3) Dyne

(4) Joule

Subtopic: Â Dimensions |
Â 55%
From NCERT
PMT - 1971
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The density of wood is $0.5gm/cc$ in the CGS system of units. The corresponding value in MKS units is :

(1) 500

(2) 5

(3) 0.5

(4) 5000

Subtopic: Â Dimensions |
Â 60%
From NCERT
PMT - 1983
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Which is the correct unit for measuring nuclear radii

(1) Micron

(2) Millimetre

(3) Angstrom

(4) Fermi

Subtopic: Â Dimensions |
Â 54%
From NCERT
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Mach number is equal to one when velocity of object is equal to:

(1) Velocity of light

(2) Velocity of sound $\left(332\text{\hspace{0.17em}\hspace{0.17em}}m/\mathrm{sec}\right)$

(3) $1\text{\hspace{0.17em}\hspace{0.17em}}km/\mathrm{sec}$

(4) $1\text{\hspace{0.17em}}m/\mathrm{sec}$

Subtopic: Â Dimensions |
Â 52%
From NCERT
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Volt/metre is the unit of

(1) Potential

(2) Work

(3) Force

(4) Electric field intensity

Subtopic: Â Dimensions |
Â 64%
From NCERT
PMT - 1984
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The unit of self inductance of a coil is

(2) Henry

(3) Weber

(4) Tesla

Subtopic: Â Dimensions |
Â 63%
From NCERT
PMT - 1983
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