At what angle to the surface must a diver submerged in a lake look toward the surface to see the setting Sun just along the horizon?
Answer to relevant QuestionsA submerged diver shines a light toward the surface of a body of water at angles of incidence of 40o and 50o. Can a person on the shore see a beam of light emerging from the surface in either case? Justify your answer ...A flint glass plate 3.5 cm thick is placed over a news-paper. How far beneath the top surface of the plate would the print appear to be if you were looking almost vertically downward through the plate? Two glass prisms are placed together (Fig. 22.30). (a) If a beam of light strikes the face of one of the prisms at normal incidence as shown, at what angle does the beam emerge from the other prism? (b) At what angle of ...Two identical plane mirrors of width w are placed a distance d apart with their mirrored surfaces parallel and facing each other. (a) A beam of light is incident at one end of one mirror so that the light just strikes the ...How would you use a converging lens as a magnifying glass? Can you do the same with a diverging lens?
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