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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.
Q. Collector current I c =20 mA and base current I b = 50 A. Find current gain β of a transistor. β = I C / I B = 20 X 10 -3 / 50 X 10 -6 = 400
Two identical particles every having a charge of 1.0 coulombs are separated by 2.0 meters. What is the electric potential because of the pair of charged particles at the point midw
Presume that you are given an expression for the electric potential V(x,y) as a function of x and y valid for points in the first quadrant of a Cartesian coordinate system and aske
Pfund series: The series which define the emission spectrum of hydrogen while the electron is jumping to the fifth orbital. All lines are in the infrared portion of the spectr
The greenhouse effect is significant not only on Earth but also on Venus and Mars. The following table summarizes the following basic observations: (A) Using Stefan's equa
describe the construction and working of michelson''s interferometer explain the formation of circular fringes how will you use these fringis in the determination of difference in
A current transformer has two turns on the primary winding and a secondary winding of 260 turns. The secondary winding is connected to an ammeter with a resistance of 0.2.The
Precaution to minimize Radiation Danger: 1. One should keep safe distance away from radiation emitting source. 2. The radiation from the reactor are shielded by thick concr
If the material is in the crystalline form, how will the susceptibility be affected?
Questions: A neutral hollow metal ball is on the end of a glass rod consequently that one can move it around easily without touching the ball. A rubber rod is chafed with rabbi
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