When light of one wavelength from air hits a smooth piece of glass at an angle, which of the following will not occur?
a. reflection
b. refraction
c. dispersion
d. All of the above will occur.
c
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Energy and Momentum: A 0.140-kg baseball is dropped from rest from a height of 2.20 m above the ground and experiences negligible air resistance as it falls. It rebounds to a height of 1.60 m. What change in the ball's momentum occurs as it rebounds from the ground?
A. 0.117 kg ? m/s upwards B. 0.117 kg ? m/s downwards C. 1.70 kg ? m/s upwards D. 0.350 kg ? m/s upwards E. 0.350 kg ? m/s downwards
Power supply :
Series connection: 
Parallel connection:
What is the best way to ensure that a 40 watt bulb and a 60 watt bulb have the same current within them?
A. Connect the bulbs in series with the power supply B. Connect the bulbs in parallel with the power supply C. It can't be done; different wattage bulbs must always have different currents
How did Aristotle apply the scientific method to lunar eclipses?
What will be an ideal response?
A one-way mirror works because of
a. interference. b. diffraction. c. its surfaces being half-silvered. d. dispersion. e. polarization.