MHT CET 2025 19th April Morning Shift | Units & Measurement and Dimensions Question 10 | Physics

The formula for the physical quantity is $\mathrm{P}=\frac{\mathrm{x}^3 \mathrm{y}}{\mathrm{z}^2}$ and the percentage error in the determination of physical quantities $\mathrm{x}, \mathrm{y}, \mathrm{z}$ are $0.6 \%, 3 \%$ and $1.3 \%$ respectively. The percentage error in the measurement of P is

$2.2 \%$

$4.9 \%$

$5.3 \%$

$7.4 \%$

MHT CET 2020 19th October Evening Shift

MCQ (Single Correct Answer)

-0

Let $\sigma$ and $b$ be Stefan's constant and Wien's constant respectively, then dimensions of $\sigma b$ are

$\left[L^1 M^{-1} T^{-3} K^{-3}\right]$

$\left[L^1 M^1 T^3 K^{-3}\right]$

$\left[L^{-1} M^1 \mathrm{~T}^{-3} \mathrm{~K}^{-3}\right]$

$\left[L^1 M^1 T^{-3} K^{-3}\right]$

MHT CET 2020 19th October Evening Shift

MCQ (Single Correct Answer)

-0

Let $x=\pi R\left(\frac{P^2-Q^2}{2}\right)$, where $P, Q$ and $R$ are lengths. The physical quantity $x$ is

area

length

volume

velocity

MHT CET 2020 16th October Morning Shift

MCQ (Single Correct Answer)

-0

Let force $$F=A \sin (C t)+B \cos (D x)$$, where $$x$$ and $$t$$ are displacement and time, respectively. The dimensions of $$\frac{C}{D}$$ are same as dimensions of

angular velocity

velocity

angular momentum

velocity gradient

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