An unknown quantity - - - is expressed as -2 m a-log1-2 -m a where m- mass- a- acceleration- - length- The unit of - should be -A- MeterB- m - sC- m - s 2D- N

The correct option is A Meter2 βℓ/ma is unitless ∴ units of ma/β = unit of ℓ = meter and unit of α = unit of ma/β = meter ...

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Standard XII

Physics

Area and Volume Expansion

An unknown qu...

Question

An unknown quantity $‘ α^{'}$ is expressed as $α = \frac{2 m a}{β} l o g (1 + \frac{2 β ℓ}{m a})$ where m = mass, a = acceleration, $ℓ =$ length. The unit of $α$ should be ?

M e t e r

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m / s

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m / s^{2}

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N

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Solution

The correct option is A $M e t e r$
$\frac{2 β ℓ}{m a}$ is unitless
$∴$ units of $\frac{m a}{β} =$ unit of $ℓ$ = meter
and unit of $α = u n i t o f \frac{m a}{β} =$ meter

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An unknown quantity ‘α′ is expressed as α=2maβlog(1+2βℓma) where m = mass, a = acceleration, ℓ= length. The unit of α should be ?

The correct option is A Meter2βℓma is unitless ∴ units of maβ= unit of ℓ = meter and unit of α=unitofmaβ= meter

An unknown quantity $‘ α^{'}$ is expressed as $α = \frac{2 m a}{β} l o g (1 + \frac{2 β ℓ}{m a})$ where m = mass, a = acceleration, $ℓ =$ length. The unit of $α$ should be ?

The correct option is A $M e t e r$
$\frac{2 β ℓ}{m a}$ is unitless
$∴$ units of $\frac{m a}{β} =$ unit of $ℓ$ = meter
and unit of $α = u n i t o f \frac{m a}{β} =$ meter