Pearson Edexcel International GCSE (9–1) · PHYSICS · Section
Light Waves
16 practice questions
Practice questions
1–10 of 16
Question 1
1 mark · Easy
Answer and see the solution →What is the name given to objects that reflect light but do not produce their own light?
Question 2
1 mark · Easy
Answer and check →What is the angle between the incident ray and the normal called?
- A.angle of incidence
- B.angle of refraction
- C.angle of deviation
- D.angle of reflection
Question 3
1 mark · Easy
Answer and see the solution →State the law of reflection.
Question 4
3 marks · Easy
Answer and see the solution →A ray of light strikes a flat mirror as shown in the diagram below.
Ray of light striking a mirror (a)[1 mark]On the diagram, draw the normal at the point B where the ray meets the mirror.
(b)[1 mark]Label the angle of incidence on your diagram.
(c)[1 mark]Sketch the reflected ray and label it.
Question 5
3 marks · Easy
Answer and see the solution →The diagram below shows a ray of light entering a rectangular glass block from air.
Ray of light entering glass block (a)[1 mark]Draw the normal at point F where the ray meets the glass block.
(b)[1 mark]Show the path of the refracted ray inside the glass block.
(c)[1 mark]Label the angle of incidence and the angle of refraction on your diagram.
Question 6
1 mark · Easy
Answer and see the solution →What term describes the change in direction of light as it passes from one medium to another?
Question 7
1 mark · Easy
Answer and check →Which one of the following is a luminous object?
- A.The Sun
- B.A wooden table
- C.The Moon
- D.A white wall
Question 8
1 mark · Easy
Answer and see the solution →Light travels more slowly in glass than in air. What effect does this have on the speed and direction of a light ray passing from air into glass?
Question 9
1 mark · Normal
Answer and see the solution →State whether light waves are transverse or longitudinal.
Question 10
3 marks · Normal
Answer and see the solution →A ray of light strikes a plane mirror at an angle of 36° to the normal.
(a)[1 mark]State the law of reflection.
(b)[1 mark]Calculate the angle of reflection.
(c)[1 mark]If the angle of incidence is increased to 48°, what will the new angle of reflection be?