440 Unit 3: OPTICS
3.
Calculate the angle of flint glass prism which makes an achr
glass prism of an angle 8°.
Given,
ць = 1.53
ur = 1.51
u Fb = 1.64
ufr = 1.61​

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At the negative terminal of the battery the electron has electric potential energy. what happens to this energy as the electron jumps from the negative to the positive terminal?

Two cannon balls weighing 18 kg and 24 kg are chained together and fired horizontally with a velocity of 165 m/s from the top of a 21-m wall. the chain breaks during the flight of the cannonballs and the 18-kg cannonball strikes the ground at t = 1.5 s, at a distance of 240 m from the foot of the wall, and 7 m to the right of the line of fire. determine the position of the other cannonball at that instant. neglect the resistance of the air.