P4 Revision

Oscillations to the wave motion is parallel in transverse waves, true or false?

• true
• false

Which of these are longitudinal waves?

• Sound wave
• Microwave
• Light

Waves breaking when hitting a solid and changes direction, what is the name of this process?

• Diffusion
• Diffraction
• Diffrentiation

What is the wavelength of a radio wave moving at 2600 m/s and have 200 waves passing per second? (Measurements in all low caps, no space in between letters)

Difference between mechanical waves and electromagnetic waves?

• Mechanical wave doesn't need a medium, but EM wave needs it.
• Mechanical wave needs a medium, but EM wave doesn't need it.
• Mechanical waves can transport energy, but not EM waves.

Does speed and wave length changes with reflection?

• yes
• no

What do refracted waves and incident waves have in common?

• Same wavelength
• Same speed
• Same frequency

What law describes the relationship between the angle of incidence and angle of refraction?

• Schneier's law
• Sod's law
• Snell's law
• Segal's law

Which letter is the amplitude?

• A
• B
• C
• D

What is the scientific word for seperation of frequencies?

• Splitting
• Divergent
• Dispersion
• Parting