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Propagation of an Electromagnetic Wave Electromagnetic waves are waves that can travel by the vacuum of outer space. Mechanical waves, not like electromagnetic waves, need the
Given the ratio of velocities of two light waves traveled in vacuum and having wave lengths 5000A o and 6000A o . Can you explain by working of diamonds sparkle?
What is a pure spectrum? provide an example. What do you mean by impure spectrum? show an example.
Q. Illustrates the branches of physics? Answer:- The basic branches of physics are classical mechanics electromagnetism including thermodynamics, optics, relativity and qu
what is the difference between pulling and pushing forces
Factors on which Resistance Depends: Resistance of the conductor depends on the following factors. Nature of the conductor. Length of the conductor. Area of cross sect
Q. What is microwave oven? How it works? Microwave oven It is utilized to cook the food in a short time. When the oven is manage the microwaves are generated which in turn
a small object is 10cm in front of a plane mirror if you stand behind the object 30cm from it and look at its image for what distance must you focus your eyes
Q. What is pair production and pair annihilation? Pair production: The conversion of a photon in to an electron-positron pair on its interaction with the strong electric fie
Sound Waves and the Eardrum While a pressure wave reaches the ear and a series of high and low pressure regions impinge upon the eardrum. An arrival of a compression or high pr
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