Waves and boundaries (AQA GCSE Physics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
Practise the questions
12 questions from this quiz
What is a boundary in the context of waves?
What is a boundary in the context of waves?
Where two materials meet
Which four outcomes can occur when waves reach a boundary?
Which four outcomes can occur when waves reach a boundary?
Reflect, refract, transmit, absorb
What is transmission of waves?
What is transmission of waves?
Waves passing straight through
Why do microwaves heat food in a microwave oven?
Why do microwaves heat food in a microwave oven?
Microwaves are absorbed by food
What does the law of reflection state?
What does the law of reflection state?
From which line are both reflection angles measured?
From which line are both reflection angles measured?
The normal
What is refraction?
What is refraction?
Wave bending between materials
How does a light ray behave entering denser material like glass?
How does a light ray behave entering denser material like glass?
Bends towards the normal
How does light behave leaving glass and entering air?
How does light behave leaving glass and entering air?
Bends away from the normal
What happens when light hits a surface at exactly (along the normal)?
What happens when light hits a surface at exactly (along the normal)?
It continues straight without bending
Why can infrared remotes sometimes work when pointed at walls?
Why can infrared remotes sometimes work when pointed at walls?
Waves reflect off wall surfaces
Why don't infrared remotes work through walls from another room?
Why don't infrared remotes work through walls from another room?
Waves are absorbed by wall material