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50 gm of an optically active substance is dissolved in 100 ml of water. A plane polarised light, when passing through 30 cm of the solution, suffers a rotation of 390 in it's plane of polarization. Evaluate the specific rotation of the solution.
(1) F or supplying power from on alternating current power grid to equipment which uses a different voltage. (2) Electrical power transmission over long dist
Coulomb: Coulomb is the fundamental unit of charge. It is explained as the charge required to obtain 9?109 newton of force among two equal charges separated at a distance of one m
A string of holiday lights has 25 identical bulbs linked in series. Every bulb dissipates 1.00 W when the string is linked to a 125-V outlet. a. How much power must be supp
The most malleable, ductile low resistivity material is (A) Copper. (B) Aluminium. (C) Silver. (D) Iron. Ans: The most malleable, ductile low resistivity mater
Ans) In the first one..... F=ma...the only force which acts is F...which causes an acc. of ''a'' to the body of mass m... and as the force=>F=ma but on the second... let .
There exist two types of charges in nature:- (i) Positive charge (ii) Negative charge Charges with the same electrical sign repel each other, and charges with oppo
Compared with an atom of atomic weight 12 and atomic number 6, the atom of atomic weight 13 and atomic number 6: (1) Contains more neutrons (2) Contains more electro
Two kilograms of an ideal gas with constant c p =1kJ/kgK and c v = 0.7kJ/kgK are contained in an insulated piston-cylinder device with an initial volume of 0.3m 3 and a pressure o
What makes a flashlight suddenly become dim or bright when you shake it?
What is the force required to accelerate a mass of one kilogram one meter per second per second? Basically, you have defined the Newton. Force is the vector product of mass
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