Sakshi Gupta
Quiz por , criado more than 1 year ago

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Sakshi Gupta
Criado por Sakshi Gupta mais de 8 anos atrás
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IIT JEE Mains Advance Quiz

Questão 1 de 5

1

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

Selecione uma das seguintes:

  • 3

  • 5

  • 6

  • 7

Explicação

Questão 2 de 5

1

The total number of lone pairs of electrons in N 203 is

Selecione uma das seguintes:

  • 8

  • 7

  • 6

  • 5

Explicação

Questão 3 de 5

1

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]

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  • 5

  • 4

  • 6

  • 7

Explicação

Questão 4 de 5

1

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

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  • 7

  • 8

  • 6

  • 5

Explicação

Questão 5 de 5

1

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

Selecione uma das seguintes:

  • 4

  • 5

  • 6

  • 7

Explicação