JEE Mains · Physics · STD 11 - 1. units,dimensions and measurement
Identify the pair of physical quantities that have same dimensions
- A velocity gradient and decay constant
- B wien's constant and Stefan constant
- C angular frequency and angular momentum
- D wave number and Avogadro number
Answer & Solution
Correct Answer
(A) velocity gradient and decay constant
Step-by-step Solution
Detailed explanation
Velocity gradient \(=\frac{ dV }{ dx }=\frac{1}{ S }\) \(\lambda=\frac{1}{S}\)
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
- The ratio of de-Broglie wavelength of an \(\alpha\)-particle and a proton accelerated from rest by the same potential is \(\frac{1}{\sqrt{ m }}\), the value of \(m\) is \(........\)JEE Mains 2023 Easy
- A planet \((P_1)\) is moving around the star of mass \(2M\) in the orbit of radius \(R\). Another planet \((P_2)\) is moving around another star of mass \(4M\) in a orbit of radius \(2R\). Ratio of time periods of revolution of \(P_2\) and \(P_1\) is _______.JEE Mains 2026 Medium
- A particle executes simple harmonic motion with an amplitude of \(5\, cm\). When the particle is at \(4\, cm\) from the mean position, the magnitude of its velocity is \(SI\,units\) is equal to that of its acceleration. Then, its periodic time in seconds isJEE Mains 2019 Medium
- An \(NPN\) transistor is used in common emitter configuration as an amplifier with \(1\,k\Omega \) load resistance. Signal voltage of \(10\,mV\) is applied across the base emitter. This produces a \(3\,mA\) change in the collector current and \(15\,\mu A\) change in the base current of the amplifier. The input resistance and voltage gain areJEE Mains 2019 Hard
- A block of mass \(10\,kg\) is moving along \(x\)-axis under the action of force \(F=5 x\; N\). The work done by the force in moving the block from \(x =2\,m\) to \(4\,m\) will be ............\(J\).JEE Mains 2023 Medium
- A uniformly charged ring of radius \(3a\) and total charge \(q\) is placed in \(xy-\) plane centered at origin. A point charge \(q\) is moving towards the ring along the \(z-\) axis and has speed \(v\) at \(z = 4a\). The minimum value of \(v\) such that it crosses the origin isJEE Mains 2019 Hard
More PYQs from JEE Mains
- Ship \(A\) is sailing towards north -east with velocity \(\vec v = 30\,\hat i + 50\hat j\,km/hr\) where \(\hat i\) points east and \(\hat j\) , north. Ship \(B\) is at a distance of \(80\, km\) east and \(150\, km\) north of Ship \(A\) and is sailing towards west at \(10\, km/hr\). \(A\) will be at minimum distance from \(B\) is.........\(hrs\)JEE Mains 2019 Hard
- A player caught a cricket ball of mass \(150 \mathrm{~g}\) moving at a speed of \(20 \mathrm{~m} / \mathrm{s}\). If the catching process is completed in \(0.1 \mathrm{~s}\), the magnitude of force exerted by the ball on the hand of the player is _______.JEE Mains 2024 Hard
- The distance of the point \((1, 0, 2)\) from the point of intersection of the line \(\frac{{x - 2}}{3} = \frac{{y + 1}}{4} = \frac{{z - 2}}{{12}}\) and the plane \(x - y + z = 16\) isJEE Mains 2015 Medium
- If \(f(x) = \int_0^x {t(\sin \,\,x\, - \sin \,\,t)\,dt} \) then ?JEE Mains 2018 Hard
- The current \(I\) flowing through the given circuit will be \(.....A\).
JEE Mains 2022 Medium - If \(|x|<1,|y|<1\) and \(x \neq y,\) then the sum to infinity of the following series \((x+y)+\left(x^{2}+x y+y^{2}\right)+\left(x^{3}+x^{2} y+x y^{2}+y^{3}\right)+\ldots .\)JEE Mains 2020 Medium