Match the following:

 List-I List-II (a) Distance between earth and stars 1. Microns (b) Inter-atomic distance in a solid 2. Angstroms (c) Size of the nucleus 3. Light years (d) Wavelength of infrared laser 4. Fermi 5. Kilometres

Codes:

 a b c d (1) 5 4 2 1 (2) 3 2 4 1 (3) 5 2 4 3 (4) 3 4 1 2

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Difficulty Level:

Unit of impulse is

(1) Newton

(2) $kg\text{​}-\text{​}m$

(3) $kg\text{​}-\text{​}m\text{​}/\text{​}s$

(4) Joule

Concept Questions :-

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Difficulty Level:

Which is not a unit of electric field

(1) $N{C}^{-1}$

(2) $V{m}^{-1}$

(3) $J{C}^{-1}$

(4) $J{C}^{-1}{m}^{-1}$

Concept Questions :-

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The correct value of ${0}^{o}C$ on the Kelvin scale is

(1) $273.15K$

(2) $272.85\text{\hspace{0.17em}}K$

(3) $273\text{\hspace{0.17em}}K$

(4) $273.2\text{\hspace{0.17em}}K$

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'Torr' is the unit of

(1) Pressure

(2) Volume

(3) Density

(4) Flux

Concept Questions :-

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Difficulty Level:

Which of the following is a derived unit

(1) Unit of mass

(2) Unit of length

(3) Unit of time

(4) Unit of volume

Concept Questions :-

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Difficulty Level:

Dyne/cm2 is not a unit of :

(1) Pressure

(2) Stress

(3) Strain

(4) Young's modulusDyne is the unit of force and cm

Concept Questions :-

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Difficulty Level:

The units of angular momentum are

(1) $kg\text{​}-\text{​}{m}^{2}\text{​}/\text{​}{s}^{2}$

(2) $Joule\text{​}-\text{​}s$

(3) $Joule\text{​}/\text{​}s$

(4) $kg\text{​}-\text{​}m\text{​}-\text{​}{s}^{2}$

Concept Questions :-

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Which of the following is not the unit of energy

(1) Calorie

(2) Joule

(3) Electron volt

(4) Watt

Concept Questions :-

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Which of the following is not a unit of time

(1) Leap year

(2) Micro second

(3) Lunar month

(4) Light year

Concept Questions :-

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