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## Units & Measurements

### Physics

#### Previous Years Questions

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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$$... WB JEE 2020 The density of the material of a cube can be estimated by measuring its mass and the length of one of its sides. If the ... WB JEE 2019 The correct dimensional formula for impulse is given by WB JEE 2019 A spherical liquid drop is placed on a horizontal plane. A small distance causes the volume of the drop to oscillate. Th... WB JEE 2018 The dimension of the universal constant of gravitation, G is WB JEE 2017 The velocity of a particle (v) at an instant t is given by$$v = at + b{t^2} the dimension of b is
WB JEE 2008

## Subjective

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Write down the relation between tesla and gauss.
WB JEE 2008

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