Etios India provides free download of previous year iit jee question paper and solutions. Practicing previous year IIT question papers help you identify gaps in your preparation and build up speed and accuracy. See more: http://www.etoosindia.com/
A nuclear power plant supplying electrical power to a village uses a radioactive material of
half life T years as the fuel. The amount of fuel at the beginning is such that the total power
requirement of the village is 12.5% of the electrical power available from the plant at that
time. If the plant is able to meet the total power needs of the village for a maximum period
of nT years, then the value of n is
Answer
3
5
6
7
Question 2
Question
The total number of lone pairs of electrons in N 203 is
Answer
8
7
6
5
Question 3
Question
For the octahedral complexes of Fe3+ in SCN- (thiocyanato-8) and in CN- ligand
environments, the difference between the spin-only magnetic moments in Bohr magnetons
(when approximated to the nearest integer) is
[Atomic number of Fe = 26]
Answer
5
4
6
7
Question 4
Question
The number of distinct solutions of the equation
�cos2 2x + cos4 x + sin4 x + cos6 x + sin6 x = 2
4
in the interval [O, 2n] is
Answer
7
8
6
5
Question 5
Question
Let the curve C be the mirror image of the parabola y
2
= 4x with respect to the line
x + y + 4 = 0. If A and B are the points of intersection of C with the line y = -5, then the
distance between A and B is