To create an enlarged real image using a concave mirror, the object must be placed: w) beyond the center of curvature. x) between the center and the focus. y) at the focus. z) closer than the focus. Answer : ANSWER: X -- BETWEEN THE CENTER AND THE FOCUS....
A light ray traveling from glass into air strikes the glass-air surface at an angle 50 degrees to the normal. If the critical angle for the glass-air combination is 42 degrees, the percentage of light reflected from the surface is w) 6 x) 25 y) 38 z) 100 Answer : ANSWER: Z -- 100...
147 A ray directed towards the centre of curvature of a spherical mirror a) become parallel to principal axis b)retraces its path c)appears to diverge from focus d)passes through focus. Answer : b)retraces its path...
Assume a ray of light is incident on a smooth reflecting surface at an angle of incidence of 15 degrees to the normal. What is the angle between the incident ray and the reflected ray? Answer : ANSWER: 30 DEGREES...
The focal length of a concave spherical mirror is equal to 1 meter. What is the radius of curvature of this mirror? Answer : ANSWER: 2 METERS...
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