Answer Happy

[5 points) Light in water is incident on the water-air interface (nwater = 1.33; nair = 1). Which of the below statements is incorrect ? Select one: O Any incident angle bigger than the critical angle (@c) will produce a total internal reflection. Any incident angle smaller than the critical angle (@c) will produce a total internal reflection. The critical angle (@c) is the incident angle corresponding to an angle of refraction of 90°.

[5 points] The focal length of a mirror is found to be: f = -5 cm. What is the type of this mirror? Select one: Convex mirror Concave mirror

a [5 points) The image formed by a plane mirror is real. Select one: True O False