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tau-theta paradox (1950s):
While two distinct types of kaons, tau & theta (today tau is a completely different particle) decay, tau decays in three particles, whereas the theta decays into two. The tau & theta differ only in parity; and at the time, it was thought that parity was conserved strictly, and that particles differing in parity only must behave exactly the similar. As the two decay differently, a paradox ensued. The paradox was determined while experiments carried out according to F. Yang & T.D. Lee's theoretical calculations indeed mentioned that parity is not conserved within weak interactions.
What do you understand by "Absorption coefficient"? which is a better absorber of sound, glass or fibre glass?
A swimmer swims across a 20-meter-wide river at 0.3 m/s. The river is running at 0.1 m/s. What is resultant velocity of the swimmer, and at what angle with respect to his original
Q. What is the neutron? Answer:- A neutron is a subatomic particle it's one of the building blocks of the atom. It has a mass of in relation to 1.675 x 10-27 kg. Its spin
explain diffrent phases of liquid crystal
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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.
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Suppose you blow the top of a bottle and hear a resonance sound (standing wave). The length of the bottle is about 25cm. If the speed of sound in air is about 340 cm/sec., what i
Explain about the working of functional units in ultrasonic pulse echo system. The master timer by the electronic clock triggers the signal pulse generator at ordinary interval
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