Question 1 of 10

The molecule having smallest bond angle is :

Question 2 of 10

The coherent sources whose intensity ratio is 81:1 produce interference fringes. The ratio of minimum to maximum intensity i.e. I_min:I_max is

Question 3 of 10

If X = , then Xⁿ, for n ∈ N is equal to

Question 4 of 10

The rate of a reaction doubles when its temperature changes from 300 K to 310 K. Activation energy of such a reaction will be: (R = 8.314 J{tex}K^{-1} mol^{-1}{/tex} and log2 = 0.301)

Question 5 of 10

Question 6 of 10

Sulphur trioxide can be obtained by which of the following reaction.

Question 7 of 10

A needle made of bismuth is suspended freely in a magnetic field. The angle which the needle makes with the magnetic field is

Question 8 of 10

Which of the following on thermal decomposition yields a basic as well as an acidic oxide?

Question 9 of 10

The angle of minimum deviation in an equilateral prism of refractive index 1.414 is

Question 10 of 10

Two finite sets have m and n elements respectively. The total number of subsets of first set is 56 more than the total number of subsets of the second set. The values of m and n respectively are