Physics, 22.01.2021 14:00, stephb1369
A photographer might use a light meter to make sure she has enough light for
a good photograph. The meter absorbs light and provides a current that
moves the needle on the meter. How does this phenomenon support the
particle model of light?
A. It is the result of constructive interference.
B. It is the result of the photoelectric effect.
C. It is the result of the diffraction of a beam of light.
D. A light meter is a blackbody radiator.
Answers: 2
Physics, 22.06.2019 16:00, meowmeowcow
Rank the six combinations of electric charges on the basis of the electric force acting on q1. define forces pointing to the right as positive and forces pointing to the left as negative. rank positive forces as larger than negative forces. q1,q2,q3 = positive(+) q1 = + q2 = + q3 = - q1 = + q2= - q3= + q1= - q2= + q3= + q1= + q2= - q3= - q1,q2,q3 = negative
Answers: 1
Physics, 22.06.2019 16:20, perezesmeralda78
Amagnetic field applies forces on: a)static chargesb)moving chargesc)water flow
Answers: 1
Physics, 22.06.2019 17:30, herbal420medici
Ethanol has a heat of vaporization of 38.56 kj/mol and a normal boiling point of 78.4 c. what is the vapor pressure of ethanol at 14 c?
Answers: 3
A photographer might use a light meter to make sure she has enough light for
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