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1 Why does a ray of light passing through the centre of curvature
of a concave mirror gets reflected along same path after
reflection?
2 What kind of image is formed on a cinema screen?
3 What do you mean by laterally inverted?
4 The image formed by a convex mirror is observed to be virtual,
erect and extremely diminished than the object, what should be
the position of the object?
5 Which type of spherical mirror has a larger field of view?
lfa ray of light is incident on a plane mirror such that it makes an
angle of 30° with the mirror, then what will be the angle of
reflection?
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Answers
Answer:
3. Lateral inversion is a phenomenon in which left appears to be right and vice versa. It is due to direction that light follows when it strikes a reflecting surface, generally a mirror.
2. The image formed on a cinema screen is real because it is formed due to an actual meeting of the light rays.
1. The reason for light falling on the centre of curvature gets reflected back along the same path is due to the angle of incidence and the angle of reflection lie along the normal for a concave mirror. ... Hence the angle of reflection tends to zero degree, thus ray of light retraces its path
4. The image formed by a convex lens is observed to be virtual, erect and larger than the object. Then the position of the object should be. If the object is placed between the pole and focus, then the image formed will be virtual, erect and enlarged.