Physics and Chemistry Quiz

Find the tangential acceleration of the particle at the given instant :-

Find the normal acceleration of the particle at the given instant :-

In 2.6 kg of FeSO4.6H2O (At. wt. of Fe = 56) : –– Number of atoms of O are 100 × NA A. Moles of H-atoms are 120 × NB. Molecules of water of crystallisation are 60 × NC. Moles of e– present in SO42– are 500D.

Equal masses of SO2 and O2 are placed in a flask at STP choose the correct statement. The number of molecules of O2 are more than SO2 A. Volume occupied at STP is more for O2 than SO2 B. The ratio of number of atoms of SO2 and O2 is 3 : 4 C. Moles of SO2 is greater than the moles of O2 D.

What is the minimum molecular mass of Haemoglobin?

What is the ratio of volumes for A, B, and C if the ratio of no. of molecules in A, B, and C is 1 : 5/2 : 1?

If ƒ(x) = 8x^3 + 27x^2 - 9x - 50 is divided by x + 2, what is the remainder?

What is the solution for the equation x^4 + x^3 - 4x^2 + x + 1 = 0?

The value of

• A.

• B. 1

• C.

• D.

In above question the velocity at t = 0 is :-

• A.

• B.

• C.

• None of theseD.