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Beauty criterion (Dirac)
The idea that the more aesthetically pleasant a theory is, the better it is. Of course this criterion does not stand up to the real test whether or not predictions of a given theory agree along with observational tests however considering that it is a aesthetic quality purely that is being tested, several most successful theories (special relativity, quantum electrodynamics, general relativity, etc.) match the criterion specifically well.
calculate the work required to be done to stop a car of 1500 kg moving at a velocity of 60 km/h?
One would expect proton to have very large: (1) Ionization potential (2) Radius (3) Charge (4) Hydration energy Ans:(4) Hydration energy
My question is that if voltage is increased, the electrons will move faster and the distance between them is changed. Why?
To develop the correct mathematical explanation of the distribution of radiated energy of a blackbody with respect to wavelength for a given temperature. Planck found it essent
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Light is quantized. Photons are light quanta. It has zero REST mass. Therefore, it always travels at maximum speed permitted by relativity.
If Joe rides his bicycle in a straight line for 15 min with an average velocity of 12.5 km/h south, how far has he ridden?
Two light rays will interfere constructively with maximum amplitude if the path difference between them is: a) one wavelength b) one-half wavelength c) one-qua
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when an object is dropped, what is its acceleration at the moment of release? Explain with reasoning.
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