Sound and Light

Due to the Doppler Effect for sound, which of the following is true?

• The sound would get louder (more intensity)

• The sound would get softer (less intensity)

• The sound would change frequency

• The sound would destructively interfere

You are looking through a window. You can see there is someone on the other side of the window but you cannot clearly recognize who they are. Which term would best describe the window?

• Transparent

• Translucent

• Opaque

Which type of lens causes light to come together or converge?

• Diverging

• Concave

• Convex

Which object is NOT seen by light reflected off of it?

• A pile of snow

• The Sun

• The planet Venus

• Your shoes

Which of the following correctly describes the law of reflection?

• The angle of reflection is greater than the angle of incidence

• The angle of incidence and the angle of reflection are the same

• The angle of reflection is less than the angle of incidence

• The angle of reflection is the same as the normal angle

White light is created when...

• there is an absence of all other colors

• there is 2 colors mixed

• there are equal amounts of red, blue, and green colors

• When there are no colors

When white light refracts, blue light refracts more than red light. This tells us...

• Longer wavelengths refract more

• Shorter wavelengths refract more

• ROYGBIV does not impact this process

• Refraction is a random process

Using ROYGBIV, red light has a _____ frequency when compared to Green.

• Higher

• Lower

• Stronger

• Weaker

This type of EM Radiation is responsible for cell phone communication

• Gamma Rays

• X rays

• Visible Light

• Microwaves

This type of EM Radiation is responsible for MRI imaging machinery

• Microwaves

• Infrared

• X Ray

• Radio Waves