Physics, 12.12.2020 16:10, LindaCat78
In the photoelectric effect, an electric current forms when light strikes a metal
surface. Which statement explains what causes the current?
A. Electrons are knocked off the surface when light strikes it because
the light acts as particles.
B. Electrons flow from one atom to another because the light acts as
a wave.
C. The light causes electrons to flow in different directions within an
atom because light acts as a wave.
D. Electrons are destroyed when light strikes a surface because the
light acts as particles.
Answers: 1
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Physics, 22.06.2019 12:10, JN02
Ablock having mass m slides down an inclined plane. the force of friction between the block and the inclined plane is f, the block's weight is m g, and the normal force is n. (a) draw a free – body force diagram showing the forces acting on the block. (b) write down all relevant newton’s equations for a given situation.
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Me pl give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.
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In the photoelectric effect, an electric current forms when light strikes a metal
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