Alpha Question Bank for Medical: Physics>Chapter 3 - Physical World and Measurement>Exercise-2>Q 11

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In a relation $F = a {sink}_{1} x + b {sink}_{2} t$ where $F, x$ and $v$ denote the force, distance and velocity respectively. Units of $k_{1}$ and $k_{2}$ are respectively as

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Important Questions on Physical World and Measurement

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Alpha Question Bank for Medical: Physics>Chapter 3 - Physical World and Measurement>Exercise-2>Q 12

E,

m, J

and

G

, represent energy, mass, angular momentum and gravitational constant respectively. Then the dimensions of

\frac{E J^{2}}{m^{5} G^{2}}

, are that of -

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Alpha Question Bank for Medical: Physics>Chapter 3 - Physical World and Measurement>Exercise-2>Q 13

If the velocity of light

c,

Gravitational constant

G

and plank's constant

h

be taken as fundamental units the dimension of mass in the new system will be -

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Alpha Question Bank for Medical: Physics>Chapter 3 - Physical World and Measurement>Exercise-2>Q 14

Force

F = \frac{X}{density} + C

is a dimensionally correct relation, then

X

will have dimensions -

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Alpha Question Bank for Medical: Physics>Chapter 3 - Physical World and Measurement>Exercise-2>Q 15

If

P

is the pressure of a gas and

ρ

is its density, then dimension of velocity is given by -

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Alpha Question Bank for Medical: Physics>Chapter 3 - Physical World and Measurement>Exercise-2>Q 16

The equation of a plane progressive wave is given by

y = A \sin (ω t - k x) .

The dimensions of

\frac{ω}{k}

are that of

-

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Alpha Question Bank for Medical: Physics>Chapter 3 - Physical World and Measurement>Exercise-2>Q 17

If

L

denotes the inductance of an inductor through which a current

i

is flowing, the dimensions of

L i^{2}

are-

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Alpha Question Bank for Medical: Physics>Chapter 3 - Physical World and Measurement>Exercise-2>Q 18

The velocity

v

(in

cm s^{- 1}

) of a particle is given in terms of time (in

\sec

) by the relation

v = a t + \frac{b}{t + c}

; the dimensions of

a, b

and

c

are

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Alpha Question Bank for Medical: Physics>Chapter 3 - Physical World and Measurement>Exercise-2>Q 19

Which of the following represents a volt?