WB JEE
Physics
Units & Measurements
Previous Years Questions

MCQ (Single Correct Answer)

The velocity of a particle (v) at an instant t is given by $$v = at + b{t^2}$$ the dimension of b is
Given : The percentage error in the measurements of A, B, C and D are respectively, 4%, 2%, 3% and 1%. The relative error in $$Z = {{{A^4}{B^{{1 \over...
The Entropy (S) of a black hole can be written as $$S = \beta {k_B}A$$, where kB is the Boltzmann constant and A is the area of the black hole. The $$...
From dimensional analysis, the Rydberg constant can be expressed in terms of electric charge (e), mass (m) and Planck constant (h) as [consider $${1 \...
The frequency v of the radiation emitted by an atom when an electron jumps from one orbit to another is given by v = k$$\delta $$E, where k is a const...
The correct dimensional formula for impulse is given by
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 maximum error in the measureme...
A spherical liquid drop is placed on a horizontal plane. A small distance causes the volume of the drop to oscillate. The time period of oscillation (...
The dimension of the universal constant of gravitation, G is

Subjective

Write down the relation between tesla and gauss.
EXAM MAP
Joint Entrance Examination
JEE MainJEE AdvancedWB JEE
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Medical
NEET