Units & Measurement and Dimensions PYQs - Last 5 Years

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Practice 25 AP EAPCET Physics questions from Units & Measurement and Dimensions. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.

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Last 5 Years Units & Measurement and Dimensions Questions

Showing 25 of 25 filtered questions.

1Units And Measurement And Dimensions

The physical quantity having the dimensions of the square root of the ratio of the kinetic energy and surface tension is

2Units And Measurement And Dimensions

The number of significant figures in 0.03240 is

3Units And Measurement And Dimensions

If force $=\frac{\alpha}{\operatorname{density}+\beta^3}$, then the dimensional formulae of $\alpha$ and $\beta$ are respectively

4Units And Measurement And Dimensions

If the error in the measurement of the surface area of a sphere is $1.2 \%$, then the error in the determination of the volume of the sphere is

5Units And Measurement And Dimensions

Of the following, the pair of physical quantities not having the same dimensional formula is

6Units And Measurement And Dimensions

If the equation for the velocity of a particle at time ' $t$ ' is $v=$ at $+\frac{b}{t+c}$, then the dimensions of $a, b, c$ are respectively

7Units And Measurement And Dimensions

The dimensional formula of Planck's constant is

8Units And Measurement And Dimensions

The number of significant figures in the simplification of $\frac{0.501}{0.05}(0.312-0.03)$ is

9Units And Measurement And Dimensions

If the maximum and minimum temperatures at a place on a day are measured as $44^{\circ} \mathrm{C} \pm 0.5^{\circ} \mathrm{C}$ and $22^{\circ} \mathrm{C} \pm 0.5^{\circ} \mathrm{C}$ respectively, then the temperature difference is

10Units And Measurement And Dimensions

Among the following, the physical quantity having the dimensions of Young's modulus is

11Units And Measurement And Dimensions

Which of the following is not a unit of permeability?

12Units And Measurement And Dimensions

In the equation $\left(p+\frac{a}{V^2}\right)(V-b)=R T$, where $p$ is pressure, $V$ is volume, $T$ is temperature, $R$ is universal gas constant, $a$ and $b$ are constants. The dimensions of $a$ are

13Units And Measurement And Dimensions

The length of the side of a cube is $1.2 \times 10^{-2} \mathrm{~m}$. Its volume up to correct significant figure is

14Units And Measurement And Dimensions

E, M, L, G represent energy, mass, angular momentum and gravitational constant, respectively. The dimensions of $\frac{E L^2}{M^5 G^2}$ will be that of

15Units And Measurement And Dimensions

Find the dimension formula of $\frac{a}{b}$ in the equation $F=a \sqrt{x}+b t^2$, where $F$ is force, $x$ is distance and $t$ is time.

16Units And Measurement And Dimensions

The percentage error in the measurement of mass and velocity are $3 \%$ and $4 \%$, respectively. The percentage error in the measurement of kinetic energy is

17Units And Measurement And Dimensions

Among the following the least unit for length is

18Units And Measurement And Dimensions

The range of a projectile of weight $w$ is $R$. The average torque on the projectile between the initial and final positions $P$ and $Q$ about the point of projection is

19Units And Measurement And Dimensions

The energy of \(E\) of a system is function of time \(t\) and is given by \(E(t)=\alpha t-\beta t^3\), where \(\alpha\) and \(\beta\) are constants. The dimensions of \(\alpha\) and \(\beta\) are

20Units And Measurement And Dimensions

If \(N_A, N_B\) and \(N_C\) are the number of significant figures in \(A=0.001204 \mathrm{~m}, B=43120000 \mathrm{~m}\) and \(C=1.200 \mathrm{~m}\) respectively, then

21Units And Measurement And Dimensions

In SI units, \(\mathrm{kg}-\mathrm{m}^2 \mathrm{~s}^{-2}\) is equivalent to which of the following?

22Units And Measurement And Dimensions

The dimensions of stress is

23Units And Measurement And Dimensions

One angstrom \((\mathop A\limits^o )\) is equal to

24Units And Measurement And Dimensions

Which year was declared as the International
year of Physics?

25Units And Measurement And Dimensions

The speed of ripples \((v)\) on water surface depends on surface tension \((\sigma)\), density \((\rho)\) and wavelength \((\lambda)\). Then, the square of speed \((v)\) is proportional to