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Units and Measurements

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2022
Given below are two statements : One is labeled as Assertion (A) and other is labeled as Reason (R).
Assertion (A): Time period of...
JEE Main Physics Hard
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Q JEE MAIN 2022
If momentum [P], area [A] and time [T] are taken as fundamental quantities, then the dimensional formula for coefficient of viscosity is :
JEE Main Physics Easy
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Q JEE MAIN 2022
Velocity (v) and acceleration (a) in two systems of units 1 and 2 are related as $v_2=\frac{n}{m^2} v_1$ and $a_2=\frac{a_1}{m n}$ respectively. Here $m$ and...
JEE Main Physics Medium
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Q JEE MAIN 2022
The SI unit of a physical quantity is pascal-second. The dimensional formula of this quantity will be
JEE Main Physics Easy
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Q JEE MAIN 2025
Consider two physical quantities A and B related to each other as $\mathrm{E}=\frac{\mathrm{B}-\mathrm{x}^2}{\mathrm{At}}$ where $\mathrm{E}, \mathrm{x}$ and t have dimensions of energy, length and time...
JEE Main Physics Medium
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Q JEE MAIN 2024
Match List - I with List - II.

Choose the correct answer from the options given...
JEE Main Physics Easy
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Q JEE MAIN 2024
If mass is written as $\mathrm{m}=\mathrm{kc}^{\mathrm{P}} \mathrm{G}^{-1 / 2} \mathrm{~h}^{1 / 2}$ then the value of P will be : (Constants have their usual meaning...
JEE Main Physics Hard
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Q JEE MAIN 2023
Match List I with List II
JEE Main Physics Easy
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Q JEE MAIN_2025
Match the LIST-I with LIST-II Choose the correct answer from the options given below:
JEE Main Physics Medium
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Q JEE MAIN 2025
The dimension of $\sqrt{\frac{\mu_0}{\epsilon_0}}$ is equal to that of : ( $\mu_0=$ Vacuum permeability and $\varepsilon_0=$ Vacuum permittivity)
JEE Main Physics Medium
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