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Light is shined into a glass rod. To guarantee the total internal reflection (TIR) happens to all the possible rays, what is the minimum index of refraction n for the glass?
Hint: To make sure all rays TIR inside the rod, you just need to consider an extreme case, i.e., the incident angle q1 (on the top surface of glass rod) equals to 90o.
Correction of short sightedness To remove this defect a convex lens is used in front of eye.
The truss shown below supports is fastened to the supports at A & E. Each member of the truss is made of the same uniform material that has a weight in kiloNewtons per metre (kN/m
a. Which materials are conducting to which other materials? Water conducting can Can conduct bubble wrap Can to cotton wrap b. Which layers are insulating?
De?ne reduction potential and oxidation potential. Reduction potential of a metal is the measure of tendency of a metallic electrode to gain electrons when it is in contact wit
(i) It having of district bright bands. (ii)It is given by an excited source in molecular state. (iii) E.g. Spectra of molecular NH 3 , CO, H 2 etc.
how to write a paper when it is based on matlab program
Define Electric Circuits So far we have only looked at electric charges sitting still and static discharges (like a shock or lightning). When we count on the charges moving thr
Figure shows the transfer characteristic for an n-p-n silicon transistor.When the base current is 2.5mA, Verify (a) the value of collector current, (b) the static value of
An airplane accelerates down a runway at 3.20 m/s2 for 32.8 s until is finally lifts off the ground. Determine the distance traveled before takeoff. I need help of an expert who ca
It is suitable for growing semi-conductively alloys like gallium arsenide. A typical arrangement is furnished with an induction heater that provides a controllable temperature grad
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