Frequency Question Preview (ID: 37199)

Which of the following sound waves has the most energy?

a) 500Hz

b) 393Hz

c) 600Hz

d) 599Hz

How can an object be moved by just sound waves?

a) It is moved by water beneath it

b) it matches its resonant frequency

c) it alerts the sensor under it

d) it has a new piece of matter

If a student goes outside and gets a headache from starring at the leaf he was burning, what could that be related to in terms of light energy ?

a) The light was refracting from the leaf's surface.

b) The light was radiating energy from the sun

c) The diffraction of the sun's rays caused it to move

if a person looks through a prism and finds the suns rays shining on a building what would be the colors of light?

a) Red, orange, yellow, green blue indigo and violet

b) Purple , blue , red and orange

c) red, green, blue and white

How do track officials find the winner in a photo finish race?

a) They go by the person with the sop watch at the finish line

b) They take a picture of all who race

c) They use a laser beam and find the one to break the beam.

A laser beam with a frequency of 638 Hz will

a) be strong enough to shine down the hall

b) will not be strong enough to shine down the hall

c) will not be reflected by a mirror

Which part of a longitudinal wave allows us to find the frequency?

a) count the troughs in the wave

b) Count the wavelengths that pass by

c) Count the number of compression or rarefactions

fdgdfhgb

c) fhdbsdfgb

dhbfgdfjigdfj

b) jdfigbijdfng

fbdifgbhidfg

d) fhgbidfgijdf

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