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WB JEE 2020
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156
Duration
180 mins
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WB JEE- Previous Year Papers
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2020 · Chemistry · Physical Chemistry · Liquid Solution
WB JEE 2020
Equal masses of ethane and hydrogen are mixed in an empty container at 298 K. The fraction of total pressure exerted by hydrogen is
2020 · Mathematics · Algebra · Quadratic Equations
WB JEE 2020
Let z1 and z2 be two imaginary roots of z2 + pz + q = 0, where p and q are real. The points z1, z2 and origin form an equilateral triangle if
2020 · Physics · Mechanics · Units And Measurements
WB JEE 2020
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 constant and \(\delta\)E is the change in energy level due to the transition. Then, dimension of k is
2020 · Chemistry · Organic Chemistry · General Organic Chemistry
WB JEE 2020
For the following carbocations, the correct order of stability is
I. \(^ \oplus C{H_2} - COC{H_3}\)
II. \(^ \oplus C{H_2} - OC{H_3}\)
III. \(^ \oplus C{H_2} - C{H_3}\)
I. \(^ \oplus C{H_2} - COC{H_3}\)
II. \(^ \oplus C{H_2} - OC{H_3}\)
III. \(^ \oplus C{H_2} - C{H_3}\)
2020 · Mathematics · Algebra · Sequence And Series
WB JEE 2020
Let I(n) = nn, J(n) = 13.5 ......... (2n \(-\) 1) for all (n > 1), n \(\in\) N, then
2020 · Physics · Mechanics · Motion
WB JEE 2020
A fighter plane, flying horizontally with a speed 360 km/h at an altitude of 500 m drops a bomb for a target straight ahead of it on the ground. The bomb should be dropped at what approximate distance ahead of the target? Assume that acceleration due to gravity (g) is 10 ms-2. Also, neglect air drag.