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Worksheets2nd Semester Review
Total questions: 24
Worksheet time: 33mins
Calculate the impulse on the ball.
You can't hear sounds in outer space because there is no
medium
light
energy
heat
What is the wavelength of this wave?
4
8
3.3
6.3
The musical note A above middle C has a frequency of 440 Hz. If the wavelength is measured to be 0.80m, what is the speed of the wave?
343 m/s
350 m/s
550 m/s
352 m/s
Which law states "The entropy of a closed system is always increasing"?
Zeroth Law
1st Law
2nd Law
3rd law
flint glass n=1.70
barium glass n=1.60
crown glass n=1.523
water n=1.33
diamond n=2.45
What is the Doppler effect?
The observed change in frequency of sound or light because of the relative motion of a wave source and the observer.
The observed change in amplitude of sound or light because of the relative motion of a wave source and the observer.
The observed change in wave speed of sound or light because of the relative motion of a wave source and the observer.
The observed change in equilibrium position of sound or light because of the relative motion of a wave source and the observer.
Which optical device bends light inward?
convex lens
concave lens
plane mirror
convex mirror
What color of light has the greatest energy per photon?
Red
Green
Blue
Violet
What is the best description of 'threshold frequency'?
The minimum energy needed for electrons to escape a surface.
The maximum kinetic energy that an emitted electron has.
The minimum frequency of a photon that will cause an electron to be emitted.
The frequency that an emitted electron will have.
A particle of light is called a...
Photoelectron
Photon
Proton
Electron
The energy produced by the complete conversion of 2.0 × 10-5 kilogram of mass into energy is
1.8 X10^12 J
9 X10 ^16 J
2.25 X 10^16 J
1.37 X 10^14 J
