MHT CET 2020 16TH OCTOBER MORNING SHIFT

What is the molarity of solution containing \(3.2 \mathrm{~g}\) of \(\mathrm{NaOH}\) (molar mass \(40 \mathrm{~g} \mathrm{~mol}^{-1}\)) in \(250 \mathrm{~cm}^3\) of water?

If for an arithmetic progression, 9 times nineth term is equal to 13 times thirteenth term, then value of twenty second term is

A particle is moving in a radius \(R\) with constant speed \(v\). The magnitude of average acceleration after half revolution is

A sample of gas absorbs \(4000 \mathrm{~kJ}\) of heat and surrounding does \(2000 \mathrm{~J}\) of work on sample. What is the value of \(\Delta U\) ?

If \(A=\{x, y, z\}, B=\{1,2\}\), then the total number of relations from set \(A\) to set \(B\) are :

A body of mass \(2 \mathrm{~kg}\) is acted upon by two forces each of magnitude \(1 \mathrm{~N}\) and inclined at \(60^{\circ}\) with each other. The acceleration of the body in \(\mathrm{m} / \mathrm{s}\) is [\(\cos 60^{\circ}=0.5\)]