Units & Measurement and Dimensions · Physics · AP EAPCET
MCQ (Single Correct Answer)
1
The length of the side of a cube is $1.2 \times 10^{-2} \mathrm{~m}$. Its volume up to correct significant figure is
AP EAPCET 2024 - 21th May Evening Shift
2
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.
AP EAPCET 2024 - 20th May Evening Shift
3
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
AP EAPCET 2024 - 20th May Morning Shift
4
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
AP EAPCET 2024 - 19th May Evening Shift
5
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
AP EAPCET 2022 - 5th July Morning Shift
6
In SI units, $$\mathrm{kg}-\mathrm{m}^2 \mathrm{~s}^{-2}$$ is equivalent to which of the following?
AP EAPCET 2022 - 4th July Evening Shift
7
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
AP EAPCET 2022 - 4th July Morning Shift
8
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
AP EAPCET 2021 - 19th August Evening Shift