## Course Description

• This course covers comprehensively O Level syllabus that are related to Wave
• The average video duration is less than 3 mins so you will not get bored with the course
• You will learn by watching videos that answers questions with increasing difficulty
• Short helpful notes are also provided
• Practice questions are also provided

### What are the requirements?

• You can start with no or basic knowledge of this topic

### What am I going to get from this course?

• By the end of this course you will be able to answer simple to difficult questions on this topic easily
• You get to learn at your own pace and watch the videos repeatedly
• Great for students who need an all in one place to rapidly remember what they have learnt
• Students will worry less about losing their paper notes as they can get their information here
• (a) describe what is meant by wave motion as illustrated by vibrations in ropes and springs and by waves in a ripple tank
• (b) show understanding that waves transfer energy without transferring matter
• (c) define speed, frequency, wavelength, period and amplitude
• (d) state what is meant by the term wavefront
• (e) recall and apply the relationship velocity = frequency × wavelength to new situations or to solve related problems
• (f) compare transverse and longitudinal waves and give suitable examples of each

### What is the target audience?

• This course is suitable for the Singapore Cambridge GCE O level students, relevant to IGCSE students and Singapore's Integrated program students. Math Arena

The instructor is from Math Arena.The instructor is absolutely passionate about teaching and you'll find the lessons engaging and ultimately rewarding.

## Course curriculum

• 1

### INTRODUCTION

• Subject Content Requirement

• 2

### Wave Propagation

• A medium is able to transport a wave from one location to another because the particles of the medium are ____. [Waves 1] Q3

• A single pulse of a wave is created on a rope as shown. What are the possible directions of motion of the wave? [Waves 1] Q4

• A point P is marked on a rope before the rope is set to oscillate. At the particular instant shown below, what is the direction of movement of the point P? [Waves 1] Q5

• A point P is marked on a rope before the rope is set to oscillate. At the particular instant shown below, what is the direction of movement of the point P? (opposite direction) [Waves 1] Q6

• Points P and Q are marked on a rope before it is set to oscillate. At the particular instant shown below, what is the direction of movement of point P and point Q? [Waves 1] Q7

• The diagram shows a ball floating in a tank of water. (caption inserted) [Waves 1] Q8

• Doubling the frequency of a wave source without altering the medium doubles the speed of waves. True or False? [Waves 1] Q9

• ​Variables Affecting Wave Speed (Further discussion)

• 3

### Includes Wave Calculations

• A wave is produced on a slinky spring as shown above. At a particular time, T, where T is one period, both particles X and Y are moving downwards. [Waves 1] Q10

• The diagram above shows the displacement-position graph of a transverse wave at a particular point of time. [Waves 1] Q11

• The diagram above shows the displacement-position graph of a transverse wave at a particular point of time. [Waves 1] Q11 Go deeper

• The diagram above shows a transverse wave travelling across a string. Particle A is currently moving upwards. Determine if the following statements are true or false: [Waves 1] Q12

• The diagram above shows a transverse wave travelling across a string. Particle A is currently moving upwards. Determine if the following statements are true or false: [Waves 1] Q12 Go deeper

• In the following diagram the waves move from left to right and then stop. The wave takes two seconds to travel the entire distance indicated in the diagram below. [Waves 1] Q13

• What is the period, amplitude, and frequency of the wave shown below? [Waves 1] Q14

• In a ripple tank experiment, a vibrator dips into a liquid at a constant frequency. Which are not possible waveforms? [Waves 1] Q15

• A dipper moving up and down makes waves in a ripple tank. What will happen when the dipper frequency is increased? [Waves 1] Q16

• A source produces both a longitudinal wave and transverse wave. The difference between the longitudinal wave and a transverse wave is the [Waves 1] Q17

• Which of the following is a longitudinal wave/are longitudinal waves? [Waves 1] Q18

• Which of the following are true for both transverse waves and longitudinal waves? [Waves 1] Q19

• If distance between 5 crests is 60 cm and frequency of the wave source is 3s-1, find the velocity of wave. [Waves 1] Q20

• The displacement-time graph and displacement-distance graph of a particular wave are shown below. What is the speed of the wave? [Waves 1] Q21

• Compressions and rarefactions are sent out from a tuning fork as it vibrates backwards and forwards. The frequency of vibration is 50 Hz.[Waves 1] Q22

• Planet A is 10^20 m away from planet B. An alien on planet A observed that planet B exploded. When will it hear the explosion? [Waves 1] Q23

• The wavelength of a certain sound wave is 200 m long. Given that the speed of sound in air is approximately 300 m/s and the audible range of a normal person is 20 Hz to 20000 Hz, [Waves 1] Q24

• A radio wave of wavelength 20 m long travels from position A (solid line) to position B (dotted line) in a special medium as shown. [Waves 1] Q25

• The following figure shows the displacement of a particle within 40 ns. What will be the displacement of the particle when t = 70 ns? [Waves 1] Q26

• A vibrator dipping into water in a ripple tank has a period of 0.5 s. the resulting wave has a wavelength of 0.02 m. What is the speed of the wave? [Waves 1] Q27

• Water waves are produced in a ripple tank using a vibrator of frequency 4 Hz. Which of the following values of speed and wavelength could the waves have? [Waves 1] Q28

• Water waves are produced in a ripple tank using a vibrator. The time taken for the vibrator to make 4 oscillations is 5 s. Which of the following values of speed and wavelength could the waves have? [Waves 1] Q29

• When a wave flows from shallow water into deep water, how do the frequency, wavelength and speed change? [Waves 1] Q30

• When a wave flows from shallow water into deep water, how do the frequency, wavelength and speed change? [Waves 1] Q30 Go deeper

• 4

### Additional Resources

• This video explains the differences between transverse and longitudinal waves and how the medium changes the wave speed

• Inside this video, you can see a rubber ducky bobbing up and down which shows waves only transfer energy not matter

• Watch a video on different types of waves (includes a dipper generating waves)