IGCSE U6 sound waves only

What term describes waves where the particles oscillate perpendicular to the direction of wave travel?

• a) Transversal
• b) Longitudinal
• c) Circular
• d) Oscillatory

What is the formula to calculate wave propagation velocity?

• a) Velocity = Frequency × Wavelength
• b) Velocity = Amplitude / Wavelength
• c) Velocity = Frequency / Amplitude
• d) Velocity = Wavelength × Amplitude

Which term is commonly used to describe the highness or lowness of a sound?

• a) Timbre
• b) Frequency
• c) Pitch
• d) Amplitude

The quality of sound that distinguishes between two sounds of the same pitch and loudness is known as:

• a) Wavelength
• b) Frequency
• c) Timbre
• d) Amplitude

What does the term 'period' represent in the context of waves?

• a) The time it takes for one complete oscillation
• b) The distance between two adjacent peaks
• c) The maximum displacement of a wave
• d) The rate of oscillation

What is the relationship between period and frequency?

• a) Period = 1 / Frequency
• b) Period = Frequency / Wavelength
• c) Period = Wavelength / Frequency
• d) Period = Frequency × Wavelength

When light bounces off a surface, it is known as:

• a) Refraction
• b) Diffraction
• c) Interference
• d) Reflection

The bending of light as it passes from one medium to another is called:

• a) Reflection
• b) Diffraction
• c) Refraction
• d) Interference

What phenomenon occurs when waves spread out as they pass through an opening or around an obstacle?

• a) Reflection
• b) Refraction
• c) Diffraction
• d) Interference

When two or more waves combine to form a new wave, it is known as:

• a) Reflection
• b) Refraction
• c) Diffraction
• d) Interference