A converging lens of focal length 20 cm is used to form a
A converging lens of focal length 20 cm is used to form a real image 1.0 m away from the lens. How far from the lens is the object?
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a diffraction grating with 750 slitsmm is illuminated by light that gives a first order diffraction angle of 34 degrees
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scholte explores the key features of a global civil societythat is to say the growing range of groups and associations
a converging lens of focal length 20 cm is used to form a real image 10 m away from the lens how far from the lens is
in theory how many different elements in the ground state could have exactly 14 electrons in various s orbitals have
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aluminum oxide al2o3 molar mass 10196 occurs in nature as a mineral called corundum which is noted for its hardness
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