The transmitted intensity of an unpolarized beam of light passing through a polarizer is one half of the value of the original intensity
Indicate whether the statement is true or false
TRUE
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Each atom in a 7.0 microgram piece of calcium (A=40, Z=20) has one electron removed. What is the total charge collected in this way?
A. 34 mC B. 670 mC C. 17 mC D. 60 mC
The Doppler shift is the same if the emitting object is moving toward you at some speed, or you (the observer) are moving toward it at that speed and it is still.
Answer the following statement true (T) or false (F)
A level pipe contains a nonviscous, incompressible fluid with a density 1200 kg/m3 that is flowing steadily. At one position within the pipe, the pressure is 300 kPa and the speed of the flow is 20.0 m/s
At another position, the pressure is 200 kPa. What is the speed of the flow at this second position? A) 567 m/s B) 16.2 m/s C) 32.9 m/s D) 23.8 m/s E) 186 m/s
If two stars have the same parallax, but the brighter is magnitude +2.3, and the fainter is magnitude +3.3, then the fainter star is ________ less luminous
Fill in the blank(s) with correct word