Grade 7 - Review 2

What is the highest point of a wave called?

• Rarefaction

• Trough

• Crest

• Compression

What is the lowest point of a wave called?

• Rarefaction

• Trough

• Crest

• Compression

What is the maximum displacement of a vibrating particle on either side of its normal position when waves pass?

• Period

• Wavelength

• Amplitude

• Frequency

What is the distance between successive identical parts of a wave called?

• Frequency

• Amplitude

• Wavelength

• Period

What is the number of waves that pass a particular point every one second?

• Frequency

• Amplitude

• Period

• Wavelength

What is the time required for one complete wave to pass a given point?

• Period

• Wavelength

• Amplitude

• Frequency

Which type of wave requires a medium for propagation?

• Electromagnetic wave

• Longitudinal wave

• Transverse wave

• Mechanical wave

What is the region of high pressure in a longitudinal wave called?

• Compression

• Trough

• Crest

• Rarefaction

What is the region of low pressure in a longitudinal wave called?

• Rarefaction

• Trough

• Compression

• Crest

What is the symbol used to represent wavelength?

• v

• λ

• T

• f