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Units & Measurements

Physics

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The Entropy (S) of a black hole can be written as $$S = \beta {k_B}A$$, where kB is the Boltzmann constant and A is the ...
WB JEE 2022
Given : The percentage error in the measurements of A, B, C and D are respectively, 4%, 2%, 3% and 1%. The relative erro...
WB JEE 2022
From dimensional analysis, the Rydberg constant can be expressed in terms of electric charge (e), mass (m) and Planck co...
WB JEE 2021
The frequency v of the radiation emitted by an atom when an electron jumps from one orbit to another is given by v = k...
WB JEE 2020

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