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Fermat's principle; principle of least time (P. de Fermat):
The principle put by P. de Fermat, which states the path taken through a ray of light among any two points into a system is always the path which takes the least time.
Construction of a thermometer
The high-dive board at most pools is 3.00 m above the water. A diving instructor dives off the board and strikes the water 1.18 s later. a. What was the initial velocity of the
If two soap bubbles of different radii are connected by a tube then, what happen? Ans) When these bubbles are joined through tube..the smaller bubble(with more pressure) gets its
P-Type Substance: When a small quantity of boron or Indium (group III A elements ) is added to silicon or Germanium, holes are formed in it and it becomes good conductor of pos
A bird flies in the east direction with a speed of 5 ms -1 . The wind is blowing towards north at a speed of 3 ms -1 . Determine the relative velocity of the bird with
Alfonso and Sarah like to go sky diving together. Alfonso has a mass of 88 kg, and Sarah has a mass of 66 kg. While in free fall together, Alfonso pushes Sarah horizontally with a
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
Q. When a radar gun utter the pitch is 90 miles per hour at what point in the balls travel to home plate is the radar gun measuring the velocity? Answer:- The measu
Huygens wave theory: Huygen's wave theory is not correct in all respects. 2. It assumes simply that light energy is propagated as a wave. 3. At the time of his proposition
how to prepare assignment for applications of radioactivity differently ?
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