Physics, 12.12.2019 03:31, quickestlearner6171
In the autocollimation experiment of sec. 3.5, a thin convex lens is placed 25 cm from a pinhole that acts as a point source of light. a plane mirror placed 20 cm behind the lens reflects the light back through the lens, and the reflected light forms a sharp spot beside the pinhole. what is the focal length of the lens (in cm)?
Answers: 3
Physics, 22.06.2019 07:50, brittneeyy
Determine the fraction of the magnitude of kinetic energy lost by a neutron (m1 = 1.01 u) when it collides head-on and elastically with a target particle at rest which is 21h (heavy hydrogen, m = 2.01 u).
Answers: 3
Physics, 22.06.2019 12:00, shrinu
Selma made a diagram to compare convection and radiation. which label belongs in the area marked x? must involve temperature differences between substances or objects only occurs when molecules are in direct contact involves the movement of fluids based on density differences can occur where there is little or no matter
Answers: 1
In the autocollimation experiment of sec. 3.5, a thin convex lens is placed 25 cm from a pinhole tha...
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