MHT-CET PCM 07 — MHT - CET STD 12 Science — Question

Complete the following analogy.

______ : Man-like :: Dryopithecus : Ape-like hairy primate

Which of the following laws is used to balance a chemical equation?

Which of the following is multimolecular colloid?

Ratio of pressures exerted by two gases is 4 : 3 and their densities are in the ratio 3 : 4. The ratio of their R.M.S. velocities is ____________.

Sensitivity of a given potentiometer can be decreased by ______.

Which among the following sets of compounds is used as raw material for the preparation of sodium carbonate by Solvay process?

A galvanometer of resistance 100 Ω is connected to a battery of 2V, with a resistance of 1900 Ω in series. The deflection obtained is 30 divisions. To reduce this deflection by 10 divisions, the additional resistance required to be connected in series is ______

Two wires A and B of equal lengths are connected in left and right gap of a meter bridge, null point is obtained at 40 cm from left end. Diameters of the wire A and B are in that ratio 3 : 1. The ratio of specific resistance of A to the of B is ____________.

If a = 13, b = 14, c = 15, then `cos("A"/2)` = ______.

A stretched string fixed at both ends has 'rrl nodes, then the length of the string will be ______.