TS 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
| List-I (Units) | List-II (Dimensional Formulas) |
| A. Pa-s | (i) [L2 T-2 K-1] |
| B. NmK-1 | (ii) [MLT-3 K-1] |
| C. J kg-1 K-1 | (iii) [ML-1T-1] |
| D. Wm-1 K-1 | (iv) [ML2T-2K-1] |
- 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
- A vibration magnetometer consists of two identical bar magnets placed one over the other such that they are perpendicular and bisect each other. The time period of oscillation in a horizontal magnetic field \(2^{5 / 4} \mathrm{~s}\). One of the magnets is removed and if the other magnet oscillates in the same field, then the time period in seconds is :TS EAMCET 2003 Hard
- Which of the following principles is being used in Sonar Technology?TS EAMCET 2017 Easy
- A photon of energy \(E\) ejects a photoelectron from a metal surface whose work function is \(W_0\). If this electron enters into a uniform magnetic field of induction \(B\) in a direction perpendicular to the field and describes a circular path of radius \(r\), then the radius \(r\) is given by, (in the usual notation)TS EAMCET 2009 Hard
- A metal rod of area of cross-section \(3 \mathrm{~cm}^2\) is stretched along its length by applying a force of \(9 \times 10^4 \mathrm{~N}\). If the Young's modulus of the material of the rod is \(2 \times 10^{11} \mathrm{Nm}^{-2}\), the energy stored per unit volume in the stretched rod isTS EAMCET 2025 Medium
- Two springs of spring constant \(k_1\) and \(k_2\) are connected by a mass \(m\) as shown in the figure. Under negligible friction, if the mass is displaced by small amount \(x\) from its equilibrium position and released, the period of oscillation is
TS EAMCET 2018 Medium - Consider two black bodies A and B having equal surface areas. On the surface of \(A\), ' \(n\) ' photons of frequency ' \(f\) ' are incident perpendicularly in a time ' \(t\) '. On the surface of \(B\), ' \(2 \mathrm{n}\) ' photons of frequency ' \(3 \mathrm{f}\) ' are incident perpendicularly in a time ' \(4 \mathrm{t}\) '. The ratio of average intensity of radiation on surface \(A\) to that on surface \(B\) isTS EAMCET 2023 Medium
More PYQs from TS EAMCET
- In \(\beta^{-}\)decay, a neutron transforms into a proton within the nucleus according to the equation:
\(\text { neutron } \rightarrow \text { proton }+\beta^{-}+x\)
In this equation the particle represented by ' \(x\) ' isTS EAMCET 2025 Easy - Two rods of same area of cross-section have lengths \(L\) and \(2 \mathrm{~L}\) and coefficients of linear expansions \(2 \alpha\) and \(\alpha\) respectively. If they are welded to form a composite rod of length \(3 \mathrm{~L}\) then the coefficient of linear expansion of the composite rod isTS EAMCET 2023 Medium
- A particle of mass is attached to four springs with spring constant and as shown in the figure. Four springs are attached to the four corners of a square and a particle is placed at the center. If the particle is pushed slightly towards any side of the square and released, the period of oscillation will be

TS EAMCET 2018 Hard - In the following figure \(C_1=5 \mu \mathrm{F}\), \(C_2=C_3=10 \mu \mathrm{F}\) and \(\varepsilon=20 \mathrm{~V}\). Initially the switch \(S\) is connected to point \(A\) until capacitor \(C_1\) is fully charged. Afterwards switch is thrown to left side and connected to point \(B\). The charge on capacitor \(C_3\) after equilibrium is reached will be
TS EAMCET 2021 Medium - Two non-reactive monoatomic ideal gases have their atomic masses in the ratio The ratio of their partial pressures when enclosed in a vessel kept at a constant temperature is The ratio of their densities isTS EAMCET 2021 Easy
- A current carrying loop is placed in a uniform magnetic field 'B' in different orientations I, II, III and IV as shown in the figure. The correct order of decreasing potential energy is ( \(\hat{\mathrm{n}}\)-unit vector normal to the plane of the loop)
TS EAMCET 2023 Easy