# Quiz 5 (Science)

## Quiz by Jackilyn Santiago

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10 questions
• Q1
M is the molar mass in ______
kg/mol
km/mol
kg/ml
kg/RT
30s
• Q2
the smaller the molar mass, the greater the speed of the wave propagation.
true
false
True or False
30s
• Q3
Sound travel faster at _________ temperatures. However, the effect of temperature on the velocity of sound in solids and liquids is negligible
average
constant
higher
lower
30s
• Q4
Sometimes the source of sound is also moving. If the speed of the source of sound is less than the speed sound in medium then it is said that the speed of the source is ________
Users re-arrange answers into correct order
Jumble
30s
• Q5
If the speed of the source of the sound is greater than the speed of sound in the medium then, it is said say that the speed of the source is __________.
Mach Nmber
supersonic
subsonic
electromagnetic wave
30s
• Q6
Frequency is measured in ________, which is defined as one cycle per second
Hz
EM
R
K
30s
• Q7
The different EM waves are arranged in the order of decreasing wavelength in what is called the ________.
electromagnetic spectrum
visible light
wavelength
dispersion
30s
• Q8
Visible light is only a small portion of the spectrum with wavelength ranging from__________.
400 nm to 760 nm
450 nm to 750 nm
300 nm to 500nm
450 nm to 700nm
30s
• Q9
_______ separation of colors from visible light
Users re-arrange answers into correct order
Jumble
30s
• Q10
A ______ is needed to bend the white light in order to see the colors.
Users re-arrange answers into correct order
Jumble
30s

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