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A ray of light strikes a plane mirror at an angle of 40° to the mirror surface. What will be the angle of reflection?
Name the spherical mirror which can produce a virtual and diminished image of an object.
A small object is placed 150 mm away from a diverging lens of focal length 100 mm.
(i) Copy the figure below and draw rays to show how an image is formed by the lens.
Figure
(ii) Calculate the distance of the image from the lens by using the lens formula.
Draw a ray diagram to show the formation of image by a concave mirror for the object beyond its centre of curvature. State three characteristics of the image.
How will you distinguish between a plane mirror, a concave mirror and a convex mirror, without touching them?
Define the following term in relation to concave mirror.
Pole
What is a mirror formula?
Define focal length.
