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Each physical system has related with it a certain point whose motion characterizes the motion of the whole system. When the system goes under some external forces than this point goes as if the entire mass of the system is concentrated at this point and also the external force is operated at his point of translational motion. This point is called as the centre of mass of the system.
What will be effect on radius Newton''s rings if air is replaced by oil between the lens and the glass plate
For each element the number of neutrons in the nucleus can vary. Isotopes :Nuclei of given element with different numbers of neutrons.If they are not radioactive they called
Length contraction
The substances which acquire charges on rubbing are said to be charged. The electricity produced by friction is called Frictional force. If the charges do not move, then the frict
Lyman series: The series which define the emission spectrum of hydrogen while electrons are jumping to the ground state. All lines are in the ultraviolet.
A steam bath An evaporating dish and steam bath can be contrived from a saucer and a tin. Scallops are cut out of the top of the tin to permit the steam to escape
Radioactive Decay Series The sequential decay of a given nucleus results in the production of a series of nuclei or elements. This series of elements thus formed is known as a
A 10L helium balloon at a pressure of 2 bar at 27C. some O 2 is now in balloon and final volume is made 30L. the pressure also fell to 1 bar at same temperature. the partial press
What is the Law of Machines? Machines which are used to lift a heavy load are governed by the "Law of machines", which says that the effort to be applied on the machine (p) is
Rydberg constant (Rydberg): A constant that governs the relationship of the spectral line features of an atom by the Rydberg formula. For hydrogen, it is about 1.097 x 10 7 m
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