One common way to polarize a beam of light is to
A. slow it down using a piece of glass.
B. filter out the longest wavelengths of the spectrum.
C. use a sheet of Polaroid material.
D. filter out the shortest wavelengths of the spectrum.
Answer: C
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How many protons does Tc have?
a. 93 b. 58 c. 48 d. 107 e. 43
______________ dating is used specifically to establish the absolute age of organic remains
Fill in the blank(s) with correct word
When one travels west while passing over a time zone boundary (ignoring daylight savings time issues),
a. the date is decreased one day. b. the time is decreased one hour. c. the time is advanced one hour. d. the date is advanced one day. e. none of these occurs.
A square coil (length of side = 24 cm) of wire consisting of two turns is placed in a uniform magnetic field that makes an angle of 60° with the plane of the coil. If the magnitude of this field increases by 6.0 mT every 10 ms, what is the magnitude of the emf induced in the coil?
a. 55 mV b. 46 mV c. 50 mV d. 60 mV e. 35 mV