CIE iGCSE Co-Ordinated Science P3.2.1 Reflection of light Exam Style Questions Paper 2
Question
The critical angle of water is 49º.
A ray of light from the bottom of a swimming pool has an angle of incidence of 50º at the surface of the water.
What happens to the ray of light?
(A) It is all refracted with an angle of refraction of 49º.
(B) It is partly reflected and partly refracted.
(C) It is totally internally reflected with an angle of reflection of 50º.
(D) It travels along the surface of the water.
▶️Answer/Explanation
Ans: C
Question
Which diagram shows a ray of light undergoing total internal reflection?
▶️Answer/Explanation
Ans: A
Question
A plane mirror is fixed to a vertical wall and forms an image of an object.
What are the characteristics of the image?
(A) enlarged and upright
(B) enlarged and inverted
(C) same size as the object and upright
(D) same size as the object and inverted
▶️Answer/Explanation
Ans: C
Question
A student stands in front of a plane mirror on a wall.
Which statement about the image of the student is not correct?
A The image is laterally inverted (left to right).
B The image is smaller than the student.
C The image is upright.
D The student and the image are equal distances from the mirror.
▶️Answer/Explanation
Ans : B