AP EAMCET · PHYSICS · Units and Dimensions
Names of units of some physical quantities are given in List-I and their dimensions formulae are given in List-Il. Match the correct pairs in the lists
\(\begin{array}{ll|ll}
\hline & \text{ List-I } & \text{ List-II } \\
\hline A. & \mathrm{Pa}-\mathrm{s} & (i) & {\left[\mathrm{L}^2 \mathrm{~T}^{-2} \mathrm{~K}^{-1}\right]} \\
\hline B. & \mathrm{NmK}^{-1} & (ii) & {\left[\mathrm{MLT}^{-3} \mathrm{~K}^{-1}\right]} \\
\hline C. & \mathrm{J} \mathrm{kg}^{-1} \mathrm{~K}^{-1} & (iii) & {\left[\mathrm{ML}^{-1} \mathrm{~T}^{-1}\right]} \\
\hline D. & \mathrm{Wm}^{-1} \mathrm{~K}^{-1} & (iv) & {\left[\mathrm{ML}^2 \mathrm{~T}^{-2} \mathrm{~K}^{-1}\right]} \\
\hline
\end{array}\)
\(\begin{array}{llll}A & B & C & D\end{array}\)
- A (iv) (iii) (i) (ii)
- B (iii) (ii) (iv) (i)
- C (iii) (i) (iv) (ii)
- D (iii) (iv) (i) (ii)
Answer & Solution
Correct Answer
(D) (iii) (iv) (i) (ii)
Step-by-step Solution
Detailed explanation
Dimensions of Pa-s is \(\begin{aligned} & =\left[\mathrm{ML}^{-1} \mathrm{~T}^{-2}\right] \cdot[\mathrm{T}] \\ & =\left[\mathrm{ML}^{-1} \mathrm{~T}^{-1}\right] \end{aligned}\) Dimensions of \(\mathrm{NmK}^{-1}\) is…
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from PHYSICS
- Which of the following do not exist?AP EAMCET 2023 Easy
- Photoelectric emission is observed from a metallic surface for frequencies \(v_1\) and \(v_2\) of the incident light \(\left(v_1>v_2\right)\). If the maximum values of kinetic energy of the photoelectrons emitted in the two cases are in the ratio \(1: n\), then the threshold frequency of the metallic surface isAP EAMCET 2010 Medium
- The induced emf cannot be produced by:AP EAMCET 2021 Easy
- If the speed of sound in a mixture of 2 moles of Helium and 2 moles of Hydrogen at temperature \(\frac{972}{5} \mathrm{~K}\) is \(n \times 100 \mathrm{~ms}^{-1}\), then the value of \(n\) is (Take, \(\left.R=\frac{25}{3} \mathrm{~J} \mathrm{~mol}^{-1} \mathrm{~K}^{-1}\right)\)AP EAMCET 2019 Easy
- The dispersive powers of the materials of two lenses forming an achromatic combination are in the ratio of \(4: 3\). Effective focal length of the two lenses is \(+60 \mathrm{~cm}\) then the focal lengths of the lenses should beAP EAMCET 2012 Medium
- A hydraulic lift is shown in the figure. The radii of the movable pistons \(P_1\) and \(P_2\) are \(2 \mathrm{~m}\) and \(5 \mathrm{~m}\) respectively. If a block of mass \(x\) is placed on \(P_2\) then the minimum mass that should be kept on \(P_1\) to lift the block on \(P_2\) is
AP EAMCET 2022 Medium
More PYQs from AP EAMCET
- The number of sigma and pi \((\pi)\) bonds present in benzene respectively are :AP EAMCET 2006 Easy
- The order and the degree of the differential equation \(y=p x+\sqrt{a^2 p^2+b^2}\), ( where \(p=\frac{d y}{d x}\) ) are respectively .AP EAMCET 2018 Medium
- Let \(\alpha \neq 1\) be a real root of the equation \(x^3-a x^2+a x-1=0\), where \(a \neq-1\) is a rea number. Then, a root of this equation, among the following, isAP EAMCET 2010 Medium
- The area (in sq. units) of the triangle formed by the lines \(x^2-3 x y+y^2=0\) and \(x+y+1=0\), isAP EAMCET 2014 Medium
- Green chemistry refers to reactions which_____AP EAMCET 2021 Easy
- A student is allowed to choose atmost \(n\) books from a collection of \(2 n+1\) books. If the total number of ways in which he can select atleast one book is 255 , then the value of \(n\) isAP EAMCET 2019 Easy