9 Light And Sound

15 Questions | By Kathryndoyle | Last updated: Mar 20, 2022 | Total Attempts: 199

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1.

Sound needs ___________ to vibrate to transmit the wave.
- A.
  
  Particles
- B.
  
  Energy
- C.
  
  Gas
- D.
  
  Liquid
2.

Sound travels fastest in air because the particles are spread furthest apart.
- A.
  
  True
- B.
  
  False
3.

In a sound wave, the places where the particles are furthest apart are called the:
- A.
  
  Compresssions
- B.
  
  Rarefactions
- C.
  
  Wavelength
- D.
  
  Amplitude
4.

What is the correct relationship for the pitch and frequency of sound?
- A.
  
  The higher the pitch, the higher the frequency.
- B.
  
  The lower the pitch, the higher the frequency.
- C.
  
  The higher the pitch, the lower the frequency.
- D.
  
  There is no relationship between pitch and frequency.
5.

What is the correct relationship between the amplitude of sound and the volume?
- A.
  
  The louder the sound, the smaller the amplitude.
- B.
  
  The louder the sound, the higher the amplitude.
- C.
  
  The quieter the sound, the higher the amplitude.
- D.
  
  There is no relationship between volume and amplitude of sound.
6.

For transverse and longitudinal waves, the higher the frequency...
- A.
  
  The longer the wavelength
- B.
  
  The shorter the wavelength
- C.
  
  The wavelength remains the same
7.

Many rays of light make up a beam.
- A.
  
  True
- B.
  
  False
8.

The Law of Reflection states that the angle of incidence is equal to the angle of reflection.
- A.
  
  True
- B.
  
  False
9.

Ray boxes in Science are used to _________ the path of light.
10.

A concave mirror causes the light to diverge.
- A.
  
  True
- B.
  
  False
11.

Refraction of light occurs because the _______ of light changes as it goes from one medium to another.
- A.
  
  Angle
- B.
  
  Speed
- C.
  
  Direction
- D.
  
  Frequency
12.

A diverging lens is one that has a ____________ shape.
- A.
  
  Biconcave
- B.
  
  Biconvex
- C.
  
  Flat
- D.
  
  Irregular
13.

The clear part of the eye that is attached to the sclera is called the...
- A.
  
  Lens
- B.
  
  Cornea
- C.
  
  Retina
- D.
  
  Pupil
14.

Which technology relies on mirrors or lenses for an image to be produced?
- A.
  
  Telescope
- B.
  
  Microscope
- C.
  
  Camera
- D.
  
  All of them do