Grade 11 Physics WAVES review

What is the name of this phenomenon?

• Moving Car

• Doppler Effect

• Resonance

• Oscillation

When a wave passes from one medium to another, the fact that its speed changes can lead to a change in direction. What is this phenomenon called?

• Interference

• Refraction
• Diffraction
• Reflection

Which of the following situations will lead to beats?

• You perceive two sound waves of different volume

• You perceive two sound waves of different amplitude

• You perceive two sound waves of different frequency

• You perceive two out-of-phase sound waves

Which of the following is not an example of an electromagnetic wave?

• X-rays
• Radio waves
• Sound waves
• Light waves

What is true about this pattern of harmonics?

• It is only true for strings.

• It is seen in air columns open at both ends.

• It is seen in air columns open at one end and closed at the other.

• The "n =" number on the left corresponds to the number of loops.

Which of the following standing wave statements are false?

• A free end must be an antinode.

• It is possible to see an infinite number of harmonics.

• Constructive interference cannot occur at a node.

• The fundamental frequency is the highest possible frequency that can create a standing wave.

A wave pulse travels a distance of 6.00 m in 0.650 s. If its wavelength is 10.0 m, what is its frequency?

• 7.61 Hz

• 0.25 Hz
• 0.600 Hz

• 1.54 Hz

A tuning fork is used as the driving frequency to create resonance in an air column (open at one end and closed at the other). If the following three consecutive resonant lengths are found (6 m, 18 m, 30 m), what is the wavelength of the sound from the fork?

• 12 m

• 18 m

• 6 m

• 24 m

300.0 Hz sound is emitted in a room that has a temperature of 25.0 degrees Celsius. What is this sound's wavelength?

• 0.250 meters

• 1.15 meters

• 2.75 meters

• 0.5 meters