Laser light enters and then exits a glass plate as shown in the sketch. Select t
ID: 1635800 • Letter: L
Question
Laser light enters and then exits a glass plate as shown in the sketch. Select the direction that it will go when it exits the glass. a. A b. B c. C d. D e. E A mirror is behind a cloth and cannot be seen. Determine its type, whether the image is real or virtual, and the sign of the magnification M. a. Concave mirror, real image, M is positive b. Concave mirror, real image, M is negative c. Concave mirror, virtual image, M is positive d. Concave mirror, virtual image, M is negative e. Convex mirror, virtual image, M is positive f. Convex mirror, virtual image, M is negative Image ii The diagrams show four pairs of polarizing sheets, with the polarizing directions indicated by dashed lines. The two sheets of each pair are placed one behind the other and the front sheet is illuminated by unpolarized light. The incident intensity is the same for all pairs of sheets. Rank the pairs according to the intensity of transmitted light, least to greatest. a. 1, 2, 3, 4 b. 4, 2, 1, 3 c. 2, 4, 3, 1 d. 2, 4, 1, 3 e. 3, 1, 4, 2 iv. Your intercontinental telephone call is carried by electromagnetic waves routed via satellite geosynchronous orbit at an altitude of 36,000 km. Approximately how long does it take before your voice is heard at the other end?Explanation / Answer
solving first 2 questions
(i) When light goes from dark medium to light medium ,it bends away from normal so correct direction is (D)
Option (D) is correct
(ii)Concave mirror,real image M is negative
so option (b) is correct
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