One yard in SI units is equal :

(1) 1.9144 metre

(2) 0.9144 metre

(3) 0.09144 kilometre

(4) 1.0936 kilometre

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Which of the following is smallest unit

(1) Millimetre

(2) Angstrom

(3) Fermi

(4) Metre

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Which one of the following pairs of quantities and their units is a proper match

(1) Electric field – $Coulomb/m$

(2) Magnetic flux – $Weber$

(3) Power – Farad

(4) Capacitance – Henry

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The units of modulus of rigidity are

(1) $N\text{​}-\text{​}m$

(2) $N\text{​}/\text{​}m$

(3) $N\text{​}-\text{​}{m}^{2}$

(4) $N\text{​}/\text{​}{m}^{2}$

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The unit of absolute permittivity is

(1) $Fm$ (Farad-metre)

(2) $F{m}^{-1}$ (Farad/metre)

(3) $F{m}^{-2}$ (Farad/$metr{e}^{2}$)

Concept Questions :-

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 List-I I. Joule II. Watt III. Volt IV. Coulomb List-II A. Henry × Amp/sec B. Farad × Volt C. Coulomb × Volt D. Oersted × cm E. Amp × Gauss F. Amp2 × Ohm

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(1) $I-A,\text{\hspace{0.17em}}II-F,\text{\hspace{0.17em}}III-E,\text{\hspace{0.17em}}IV-D$

(2) $I-C,\text{\hspace{0.17em}}II-F,\text{\hspace{0.17em}}III-A,\text{\hspace{0.17em}}IV-B$

(3) $I-C,\text{\hspace{0.17em}}II-F,\text{\hspace{0.17em}}III-A,\text{\hspace{0.17em}}IV-E$

(4) $I-B,\text{\hspace{0.17em}}II-F,\text{\hspace{0.17em}}III-A,\text{\hspace{0.17em}}IV-C$

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Which relation is wrong

(1) 1 Calorie = 4.18 Joules

(2) $1Å={10}^{-10}m$

(3) $1\text{\hspace{0.17em}\hspace{0.17em}}MeV=1.6×{10}^{-13}Joules$

(4) $1\text{\hspace{0.17em}}Newton={10}^{-5}Dynes$

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If $x=at+b{t}^{2}$, where x is the distance travelled by the body in kilometres while t is the time in seconds, then the units of b are

(1) $km\text{​}/\text{​}s$

(2) $km\text{​}-\text{​}s$

(3) $km\text{​}/\text{​}{s}^{2}$

(4) $km\text{​}-\text{​}{s}^{2}$

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The equation $\left(P+\frac{a}{{V}^{2}}\right)$$\left(V-b\right)$ = constant. The units of a are

(1) $Dyne×c{m}^{5}$

(2) $Dyne×c{m}^{4}$

(3) $Dyne\text{​}/\text{​}c{m}^{3}$

(4) $Dyne/c{m}^{2}$

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Which of the following quantity is expressed as force per unit area

(1) Work

(2) Pressure

(3) Volume

(4) Area

Concept Questions :-

Dimensions
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