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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.
a rocket is launched at an angle 53 degree to the horizontal with a speed of 100 m/s. it moves along its initial line of motion with an acceleration of 30m/s for 3 seconds. at thi
(1) The current in a super conductor once set up continuous for a very long time without attenuations. (2) The permeability of a super conducto
a) Heat produced is directly proportional to the square of the current passing by a conductor. b) This effect is produced because of collision of free electrons with positive io
Water flows through a right angle valve at the rate of 1000 lbm/s as shown in the figure. The pressure just upstream of the valve is 90 psi and the pressure drop across the valve i
Please explain diagram of nicol prism, How its working and how its mechanism,,,
River Boat Vectors and Projectiles Suppose the motion of the river boats below. Within that case, the boat is heading across the river. Inside the top case, the presence of a c
Evaluate the tension in the rope A muscle builder holds the ends of a masslessrope. At the center of the rope, a 15kg ball is hung. What is the tension in the rope if the angl
The points of maximum amplitude are called as antinodes. At ends density and air pressure both are very low.
what is the working principle of diamond dosimeter and whast are its advantages and disadvantages over other dosimeters?
Ask question #Minimum 100 words accepteThe centre of oscillation of a meter stick suspended about a transverse axis is located at the 15 cm mark. Determine at what other positions
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