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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.
Q. Figure s (a) and (b) show refraction of a ray in air incident at 60°with the normal to a glass Answer According to the given figure for the glass-air interface:
Are end fitting standard? No, end fitting are not standard. Each system manufacturer favors a type of termination for his fibers along with threads, pressure glands, rivets or
Explain irreversible process A process which takes the system to the non equilibrium state is known as irreversible process. *It can't be retraced in the reverse direction.
#question.give the constraint relation between .
A concentric tube heat exchanger is comprised of a thin wall inner tube of 25.4 mm diameter and an outer tube of 47 mm diameter. The heat exchanger is used for cooling lubricating
The recombination procedure is represented with returning the electron from the CB where it is free into a hole in the VB where it is in a bond. The excess energy of the electron
How are extrinsic fiber optic sensors used? Extrinsic fiber optic sensors give best protection of measurement signals against noise corruption. Unluckily, several conventional
Q. What is ionisation potential energy? For hydrogen atom the energy necessary to remove an electron from first orbit to its outermost orbit (n=∞) is 13.6-0 = 13.6eV. This ene
Consider Young’s double slit experiment with a finite sized ( height 2b) source whose center point is symmetrically oriented about the mid
Ask question how many types of couple are there?#Minimum 100 words accepted#
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