Physics Which best describes how air moves during convection? Warm air falls down Air always falls down Cool air is replaced by warm air Cool air falls down Warm air falls down Air always falls down Cool air is replaced by warm air Cool air falls down ANSWER DOWNLOAD EXAMIANS APP
Physics A mass of 20 kg is at a height of 8 m above the ground. Then the potential energy possessed by the body is: [Given g = 9.8 m/s2] 1568 J 1568 W 1568 N 1568 C 1568 J 1568 W 1568 N 1568 C ANSWER DOWNLOAD EXAMIANS APP
Physics The mass defect is the result of what action occurring? Mass being converted to energy when protons and neutrons bind together in a nucleus Protons and electrons being attracted to each other Mass being converted to energy when protons and neutrons break apart in a nucleus Energy being converted into moles of atoms when neutrons break apart protons Mass being converted to energy when protons and neutrons bind together in a nucleus Protons and electrons being attracted to each other Mass being converted to energy when protons and neutrons break apart in a nucleus Energy being converted into moles of atoms when neutrons break apart protons ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is preferred for accelerating electrons? Synchrotron Betatron Van de Graft Generator Cyclotron Synchrotron Betatron Van de Graft Generator Cyclotron ANSWER DOWNLOAD EXAMIANS APP
Physics The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by Johannes Kepler Martin Luther Galileo Copernicus Johannes Kepler Martin Luther Galileo Copernicus ANSWER DOWNLOAD EXAMIANS APP
Physics A simple microscope consists of : A long focus concave lens A short focus concave lens A long focus convex lens A short focus convex lens A long focus concave lens A short focus concave lens A long focus convex lens A short focus convex lens ANSWER DOWNLOAD EXAMIANS APP
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