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 smaller than the critical angle (@c) will produce a total internal reflection. O Any incident angle bigger than the critical angle (@c) will produce a total internal reflection. O The critical angle (@c) is the incident angle corresponding to an angle of refraction of 90°.
[5 points) The transverse magnification of an image through a concave mirror is found to be: M= -0.33. Which of the below statement is correct? Select one: O The image is upright and smaller than the object. O The image is inverted and smaller than the object. O The image is upright and bigger than the object. The image is inverted and bigger than the object.
[5 points) The focal length of a convex mirror is positive. Select one: O True False