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Two elements A and B form compounds having molecular formulae AB2 and AB4. dissolved in 2O g of benzene, 1 g of AB2 lower the freezing point by 2.3 K, whereas 1 g of AB4 lowers it by 1.3 K. The molar depression constant for benzene is 5.1 K kg mol-1. Calculate the atomic masses of A and B
defination of quantom theory
What is the condition for destructive interference in subject of phase difference between the two interfering waves?
A satellite is goes form the surface of earth vertically and then is turned horixontally in space as it requires to revolve around the earth.
Semi conductors: Semi conductors are these substances which lie among conductor and insulators. Semi conductor is those substances which hardly pass electric current by them
what is product of vectors
Q. Distinguish between electric power and electric energy. Electric power i) Electric power is described as the rate of doing electric work. ii) Electric power is the cre
What are the branches of physics? The basic branches of physics are a) Classical mechanics b) Electromagnetism (including optics), c) Relativity, d) Thermodynamics,
why effective mass are tensor quantities
There is more number of substances in the universe than 109 elements. Most matter we run into on a day-to-day basis is composed of compounds-substances in which two or more element
assignment about electro magnetic waves
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