Cambridge IGCSE Combined Science practice
Try the question first, then check the answer and practise the same topic again.
At a glance
MCQ
Type
cambridge_mcq
Style
Topic
Light
Exam-style question
What is the angle of incidence if the angle of reflection is 30 degrees?.
Attempt the question first, then reveal the model answer and explanation.
Common mistake
No common mistake is linked to this question yet.
Flashcard 1 of 6
Question 1 of 5
Choose an answer, get feedback, then move sideways through the set.
Method
In this experiment, a light ray is directed at a plane mirror at various angles. The angles of incidence and reflection are measured using a protractor.
| Angle of Incidence (degrees) | Angle of Reflection (degrees) |
|---|---|
| 30 | 30 |
| 45 | 45 |
| 60 | 60 |
State the independent variable in this experiment.
Aim for approximately 1 distinct marking point.