EM waves and Visible light

You get to drive for the first time by yourself. While driving you see a friend riding a bike. You honk your horn as you ride AWAY from your friend. Compared to the frequency of the sound you here, the person riding their bike hears a sound with _____.

• a higher frequency

• more variation in ton

• greater amplitude

• a lower frequency

What are electromagnetic waves?

• longitudinal

• transverse

• both longitudinal and transverse

• None of the above

Which type of EM radiation has the shortest wavelengths?

• gamma rays

• infrared waves

• blue light

• microwaves

Which form of EM radiation has the most penetrating ability?

• red light

• microwaves

• gamma rays

• infrared radiation

How do electric field and magnetic field vibrate with each other?

• circular with each other

• parallel with each other

• perpendicular with each other

• waving with each other

What is the speed of electromagnetic waves in a vacuum?

• 
• 
• 
• 

Electromagnetic waves can travel without a medium.

• True

• False

Which electromagnetic waves are used in ovens and cell phone communications?

• radio waves

• ultraviolet rays

• microwaves

The shortest wavelength in visible light is______.

• violet
• red
• blue
• yellow

All of the following waves are more energetic than visible light, EXCEPT:

• radio waves

• ultraviolet waves

• X-rays

• gamma rays