Acoustic Levitation and DIY Kit Quiz

What was the initial reaction of Diana and her team when they tried to create a levitator?

• They were uninterested.

• They were confident it would work.

• They were skeptical but excited.

• They were certain it would fail.

What is the key concept that allows acoustic levitation to occur?

• Electric currents

• Standing waves

• Magnetic fields

• Gravitational pull

In the context of acoustic levitation, what are nodes?

• Points where waves are strongest

• Points where waves cancel out

• Points where sound is loudest

• Points where air is moving rapidly

Why is the 3D printed shape crucial in the DIY acoustic levitator kit?

• It makes the device more portable.

• It enhances the sound quality.

• It reduces the cost of the kit.

• It focuses the acoustic power at the center.

What is the purpose of the DIY acoustic levitator kit according to Dr. Marzo?

• To make levitation technology exclusive

• To democratize the technology

• To limit the use of levitation

• To increase the cost of research

What is one of the main advantages of acoustic levitation over magnetic levitation?

• It is easier to control.

• It is cheaper to implement.

• It can levitate any material.

• It requires less energy.

What limitation does current acoustic levitation technology face?

• It is not suitable for outdoor use.

• It can only levitate magnetic materials.

• It cannot levitate liquids.

• It struggles with large and dense objects.

What is a potential future application of acoustic levitation mentioned in the video?

• Levitating vehicles

• Synchronized movement of multiple particles

• Creating sound barriers

• Enhancing musical instruments

What is a challenge in future research for acoustic levitation?

• Reducing the cost of the technology

• Levitating particles larger than half the wavelength

• Finding new materials to levitate

• Increasing the speed of levitation

What is the frequency of the sound waves used in the acoustic levitator?

• 50,000 hertz

• 20,000 hertz

• 30,000 hertz

• 40,000 hertz