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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.
What is the change in temperature of water after falling over a 50.0-m-tall waterfall? Suppose that the water is at rest just before falling off and just after it reaches the b
Determine the Einstein relations by upward and downward transition. While the system is in equilibrium, the upward and downward transition rates should be equal. N 1 ρ(ν) B
Induced electric currents can be explained using which of the following laws? a) Gauss's Law b) Faraday's Law c) Ohm's Law d) Ampere's Law Ans: Induced e
State Huygens' Principle. With the help of a suitable diagram, prove Snell's law of refraction using Huygens' Principle.
A bakelite capacitor is to be constructed to have a capacitance of 0.04µF and to have a steady workingpotential of 1kVmaximum. Allowing a safe value of field stress of 25MV/m find
Calculate mass of an electron accelerated to kinetic energy of 2 M eV.
Centripetal Force Requirement Uniform circular motion could be elaborates as the motion of an object within a circle at a constant speed. As an object moves within a circle and
The wrench shown in the figure is designed for access to the bolt at O. The wrench lies in a vertical plane and a horizontal force of P27 (as in question 14) is applied at A perpe
Explain logarithmic decrement? Evaluate the ratio of nth amplitude with 1st amplitude in case of under damped oscillation.
Besides solid, liquid, and gas, what is the fourth form of matter? Ans: The fourth form of matter is plasma.
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