WAVES Question Preview (ID: 44138)


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A wave transfers
a) energy
b) water
c) particles
d) air

The distance between 2 crests is a wave's
a) amplitude
b) wavelength
c) frequency
d) speed

Which of the following is true about standing waves
a) constructive interference produces points with zero amplitude
b) the nodes are unevenly spaced along the wave
c) the amplitude of anitnodes is greater than nodes
d) nodes are points of maximum energy on the wave

What is the angle of incidence if a reflected wave bounces off a mirror at and angle of 65 degrees.
a) 25 degrees
b) 65 degrees
c) 90 degrees
d) 115 degrees

The speed of a wave in a spring is 10 m/s. if the wavelength is 2 m, what is the frequency?
a) 20 Hz
b) 8 Hz
c) 5 Hz
d) 4 Hz

When a wave enters a new medium at 60 degrees and changes speed, the wave
a) does not bend because one side changes speed before the other side.
b) does not bend because the angle is less the 90 degrees.
c) bends because both sides change speed at the same time.
d) bends because one side changes speed before the other side.

What is the speed of a wave that has a frequency of 2 Hz and a wavelength of 3 m.
a) 5 m/s
b) 1.5 m/s
c) Answer not provided
d) 6 m/s

Whenever a wave enters a new medium, the _______ is likely to change.
a) amplitude
b) color
c) speed
d) correct answer not shown

A wave with an amplitude of 5 cm combine with a wave of -5 cm. What would happen?
a) The waves would combine to form a wave with great amplitude than both.
b) the waves would combine to form a wave with a smaller amplitude than both
c) The waves would cancel out. if in water, it would look at if they disappeared.
d) no correct answer shown

A wave with an amplitude of 2 cm combines with another wave with an amplitude of 1 cm. The resulting combined wave would have an amplitude of ________.
a) 2cm
b) 3cm
c) 1cm
d) correct answer not shown

Click True or False. Destructive interference is used in noise-canceling headphones to block out distracting noises in a listener's surroundings.
a) TRUE
b) FALSE
c)
d)

A pencil looks bent when placed in a beaker of water. This is an example of _________________.
a) reflection
b) diffraction
c) interference
d) refraction

Shining a flash light into a fish tank and seeing that the angle of the light once it hits the water changes is an example of ______________.
a) reflection
b) diffraction
c) interference
d) refraction

CLICK TRUE OR FALSE. Sound waves are longitudinal waves and can travel through solid, liquid, and gas.
a) TRUE
b) FALSE
c)
d)

The material through which a wave travels is called a _______.
a) Gas
b) Solid
c) Medium
d) trough

Waves the require a medium to travel are called ___________________.
a) Big waves
b) Small waves
c) mechanical Waves
d) Electromagnetic waves

The high point on a transverse wave is called a __________, and the low point is called a ______________.
a) crest, trough
b) trough, crest
c) amplitude, frequency
d) frequency, amplitude

CLICK TRUE OR FALSE. A wave causes vibrations in a medium.
a) TRUE
b) FALSE
c)
d)

A _________wave vibrate the particles of a medium perpendicular to its direction, while a ____________ wave vibrates the particles parallel to its direction.
a) transverse, longitudinal
b) longitudinal, transverse
c) large, small
d) small, large

Transverse and longitudinal waves both have
a) compressions
b) rarefactions
c) crests
d) wavelengths

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