Explain the theory of a) series and b) parallel combinations of resistance in an electric circuit.
Two bulbs of different wattage are connected in series. Which bulb will glow brighter? Why?
What is the fundamental physical difference between interference and the diffraction of light?
Describe Michelson's method for determining the speed of light.
Can Snell's law be verified from wave theory? Explain with figure only.
A wire having a diameter of 0.90 mm is replaced by another wire of the same material but with a diameter of 0.93 mm. If the tension of the wire is as before what is the percent change in the frequency of fundamental note?
Write the laws of transverse vibration of string. Explain how the law of the length is verified experimentally.
Explain, with the figure, the formation of the second overtone of waves in an open organ pipe.
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