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State Ampere's circuital law and obtain it's differential form.
Q. State Moseley's law. The frequency of the spectral line in the qualities X-ray spectrum is directly proportional to the square of the atomic number (Z) of the element consid
It is an instrument used to view pure spectrum. It makes dispersion without deviation with the help of n crown prisms and (n - 1½ flint prisms alternately arranged in a tabular str
THOMSON'S ATOMIC MODEL:- According to Thomson's atomic model positive charge is distributed uniformly over the entire body of the atom while the electrons are embedded in it. S
What are polar molecules Polar molecules - molecules having of two or more atoms that are neutral but have a charge which is not distributed uniformly.
Q. Tunnels through the Earth Assume a straight tunnel is cut from the surface of the earth to the opposite side through the centre. The object is going down the tunnel and a
Q. How will you measure thickness of thin silicon-chip using Bi-prism experiment? Derive the formula used. When a thin silicon chip, thin film of soap bubble etc. is introduc
The length of a wire vibrating with a frequency of 340 Hz is 1m . It its length is changed to 1.6 m, determine the frequency. Name any two musical instruments whose working li
The average speed of a substance in a given interval of time is described as the ratio of the distance completed to the time taken while; average velocity is described as the ratio
Neutron is a fundamental particle which is necessary constituent of all nuclei except that of hydrogen molecule. It was discovered by Chadwick. (1) The charge of neutron: It is
A 15.2-kg police battering ram exerts an average force of 125 N on a 10.0-kg door. a. What is the average acceleration of the door? b. What is the average acceleration of th
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