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PHY101 - Physics

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Forum Topic - PHY101 Assignment No 4 Spring 2012 solution

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PHY101 Assignment No 4 Spring 2012 solution

What is the angle of refraction here, shown in above fig?

Formula is (1/n) (thetta)
Question # 2
A radio transmitting station operating at a frequency of 120MHz has two identical antennas that radiate in phase. Antenna B is 9.00m to the right of A. Consider point P  between the antennas and along the line connecting them, a horizontal distance x to the right of antenna A. For what values of x will constructive interference occur at point P?

(Need Second question Answer comment below).

Question # 3

How is it possible to determine the direction of the polarizing axis of a single polarizer?

According to my opinion the vibration is move in one direction by that we can determine the direction of the polarizing axis of a single polarizer.