A ray of light strikes a silvered surface ( mirror ) inclined with another one ( mirror ) at an angle of 90 degrees, then the reflected ray will turn through
a. 0 degrees
b. 45 degrees
c. 90 degrees
d. 180 degrees
PLS ANSWER IT
Answers
Answered by
1
Answer:
A small candle, 2.5 cm in size is placed at 27 cm in front of a concave mirror of radius of curvature 36 cm. At what distance from the mirror should a screen be placed in order to obtain a sharp image? Describe the nature and size of the image. If the candle is moved closer to the mirror, how would the screen have to be moved?
2846 Views
Answer
Figures (a) and (b) show refraction of a ray in air incident at 60° with the normal to a glass-air and water-air interface, respectively. Predict the angle of refraction in glass when the angle of incidence in water is 45° with the normal to a water-glass interface. [ Fig. 9.34 (c)].
Similar questions