Waves and rays
(a) Light travels through space as a wave - Edexcel - GCSE Physics - Question 2 - 2018 - Paper 1
Question 2
Waves and rays
(a) Light travels through space as a wave.
A model of this type of wave can be made using a Slinky spring.
A Slinky spring is a long coil of wire li... show full transcript
Worked Solution & Example Answer:Waves and rays
(a) Light travels through space as a wave - Edexcel - GCSE Physics - Question 2 - 2018 - Paper 1
Step 1
State the name of this type of wave.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The name of this type of wave is a transverse wave.
Step 2
Complete the following sentence by putting a cross (✗) in the box next to your answer.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The amplitude of this wave can be made bigger by moving the hand up and down by a bigger distance.
Step 3
Calculate the speed of the wave.
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
To calculate the speed of the wave, we use the formula:
v=fimesextwavelength
Substituting the values in:
v=3.2imes0.71
This gives:
v=2.272extm/s
Therefore, the speed of the wave is approximately 2.3 m/s.
