Recent questions tagged jee main 2020

+1 vote

1 answer

Let f(x) = x^3 – 4x^2 + 8x + 11, if LMVT is applicable on f(x) in [0, 1], value of c is :

asked Apr 7, 2019 in JEE by kratos

+3 votes

1 answer

The decreasing order of basicity of the following amines is :

asked Apr 7, 2019 in JEE by kratos

+1 vote

1 answer

Which of the following has the shortest C-Cl bond? (1) Cl–CH=CH–OCH3

asked Apr 7, 2019 in JEE by kratos

+1 vote

1 answer

NO2 required for a reaction is produced by the decomposition of N2O5 in CCl4 as per the equation,

asked Apr 7, 2019 in JEE by kratos

+2 votes

1 answer

100 ppm hardness of water equal to - (A) 100 mg of CaCO3 in one litre of water

asked Apr 7, 2019 in JEE by kratos

+1 vote

1 answer

The stopping potential in an experiment on photoelectric effect is 1.5V.

asked Apr 6, 2019 in Physics by kratos

+1 vote

1 answer

The increasing order of pKb for the following compounds will be :

asked Apr 6, 2019 in JEE by kratos

+2 votes

1 answer

Give the equation for the preparation of each of the Following salts from the starting material given.

asked Apr 6, 2019 in JEE by kratos

+3 votes

1 answer

A wire having a linear density 0.1kg/m is kept under a tension of 490 N. It is observed that it resonates at a frequency of

asked Apr 5, 2019 in Class 12 by kratos

+3 votes

1 answer

Which compound to use for treatment of tumor? (1) Cis[PdCl2(NH3)2]

asked Apr 5, 2019 in JEE by kratos

+3 votes

1 answer

Why does the white precipitate of silver halide become ******** in the presence of dye eosin ?

asked Apr 5, 2019 in Chemistry by kratos

+1 vote

1 answer

A diatomic ideal gas is compressed adiabatically to 1/32 of its initial volume. If the initial temperature of the gas is Ti (in Kelvin)

asked Apr 5, 2019 in Class 12 by kratos

+1 vote

1 answer

A circular loop of wire * in the same plane as an infinitely long wire carrying a constant

asked Apr 5, 2019 in JEE by kratos

+3 votes

1 answer

Let n ≥4 be a positive integer and let L1 , L2 ,......, Ln be the lengths of the sides of arbitrary n–

asked Apr 5, 2019 in JEE by kratos

+2 votes

1 answer

Two isolated conducting spheres are separated by a large distance. Sphere 1 has a radius of R and an initial charge 3Q while sphere 2

asked Apr 5, 2019 in JEE by kratos

+3 votes

1 answer

If |ai| < 2, i = 1,2,3, , n and∑ aizi = 1 n∈ [i=1,n] then

asked Apr 5, 2019 in JEE by kratos

+2 votes

1 answer

The Boolean expression ((p ∧ q) ∨ (p ∨ ~q)) ∨ (~ p ∧ ~q) is equivalent to :

asked Apr 4, 2019 in Mathematics by kratos

+3 votes

1 answer

Consider a long straight cylindrical wire with radius R = 0.1 m is carrying the non-uniform current density which points along the axis

asked Apr 4, 2019 in JEE by kratos

+2 votes

1 answer

Determine Bohr'* radius of Li^2+ ion for n = 2. Given (Bohr'* radius of H-atom = a0)

asked Apr 4, 2019 in JEE by kratos

+2 votes

1 answer

What is the name of a line which intersects a circle at two distinct points ?

asked Apr 4, 2019 in JEE by kratos

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