MHT CET 2025 19th April Evening Shift | Units & Measurement and Dimensions Question 8 | Physics

The initial and final temperatures of water as recorded by an observer are $(38.6 \pm 0.2){ }^{\circ} \mathrm{C}$ and $(82.3 \pm 0.3){ }^{\circ} \mathrm{C}$. The rise in temperature with proper error limits is

$(43.7 \pm 0.2)^{\circ} \mathrm{C}$

$\quad(43.7 \pm 0.3)^{\circ} \mathrm{C}$

$(43.7 \pm 0.1){ }^{\circ} \mathrm{C}$

$\quad(43.7 \pm 0.5)^{\circ} \mathrm{C}$

MHT CET 2025 19th April Evening Shift

MCQ (Single Correct Answer)

-0

If $L$ is the inductance and $R$ is the resistance then the SI unit of $\frac{L}{R}$ is

second

volt

ampere

per second

MHT CET 2025 19th April Morning Shift

MCQ (Single Correct Answer)

-0

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

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

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

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

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

PREVIOUS NEXT

MHT CET Subjects