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Q. Illustrate that soccer balls go faster in the air on a cold or hot day?
Answer:-
On a hot day the air molecules have additional kinetic energy they move around more freely. They will travel out of the way of the soccer ball that is moving through them more easily when the air is warm. In physics we might articulate that the warmer air is more susceptible to shear force than cooler air. The warmer air will "part" further easily to let the ball pass through.
Q. Explain Construction of michelsons interferometer? It consists of two highly polished plane mirror M1 and M2, with two optically plane glass plate G 1 and G 2 which are of
In a non-uniform magnetic material, these substances move from stronger parts of the field to the weaker parts.why?
What are Switches and Fuses? As mentioned earlier, short circuits can be damaging to the voltage source. One way we have developed to protect equipment is to use fuses i
Ionisation: If the amount of external energy is large enough the valence electron can gain sufficient kinetic energy (energy of movement) to be removed completely from its atom
Q. Give the differences between hard X-rays and soft X-rays.
Doping: Silicon and Germanium have low values of electrical conductivity because of few free electrons. In order to improve the electrical conductivity of semi conductors' pent
Friction has several disadvantages but life is impossible without friction because friction has many benefits also.
Describe the Michelson Morley's experiment and explain its negative result. What is "Length Contraction" and "Time Dilation" in relativistic mechanics? Explain.
At 200.0 K, silicon has 3.79 x 10 -18 free electrons per atom. How many free electrons/cm 3 are there in silicon at this temperature?
5 example of Classification and 5 types of Vectors and 3 Dimensional Forces
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