physics grade10 IGCSE

What stays constant after an echo of a wave

• Speed

• Frequency

• Wavelength

• impulse

A wave has wavelength of 10 m and a speed of 340 m/s. What is the frequency of the wave?

• 34 m/s
• 3400 Hz
• 3.4 Hz 
• 34 Hz

What property of this wave is represented by the letter "A"

• amplitude
• crest
• trough
• wavelength

The _______ is the size or height of a wave, measured from the equilibrium to the crest or trough.

• Amplitude

• Wavelength

• Frequency

How would you describe the movement of a transverse wave?

• Up and down
• Back and forth
• In zigzags
• Linear

Waves that can travel through empty space are called _____ waves. Waves that require a medium to travel, such as air or water, are called _____ waves.

• mechanical, electromagnetic

• electromagnetic, mechanical

• crest, trough

• compressional, rarefactional

The number of wavelengths that pass a point each per second is:

• frequency
• period
• longitudinal 
• transverse wave 

1.  A wave has frequency of 5 Hz and a speed of 25 m/s. What is the wavelength of the wave?

• 25 m
• 125 m
• 5 m
• 25 m/s

Frequency is measured in _______.

• Hertz (Hz)

• Meters per second

• Meters

• Newtons

What property of this wave is represented by the letter "A"

• amplitude
• crest
• trough
• wavelength