Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 10 cm 15 cm 5 cm 20 cm 10 cm 15 cm 5 cm 20 cm ANSWER DOWNLOAD EXAMIANS APP
Physics Oil rises up the wick in a lamp because Of the surface tension phenomenon Of the capillary action phenomenon Of the diffusion of oil through the wick Oil is very light Of the surface tension phenomenon Of the capillary action phenomenon Of the diffusion of oil through the wick Oil is very light ANSWER DOWNLOAD EXAMIANS APP
Physics The function of ball bearings in a wheel is : Just for convenience To convert static friction into kinetic friction To convert kinetic friction into rolling friction To increase friction Just for convenience To convert static friction into kinetic friction To convert kinetic friction into rolling friction To increase friction ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are substances which offer no resistance to the flow of electricity offer high resistance to the flow of current conduct electricity at high temperatures conduct electricity at low temperature offer no resistance to the flow of electricity offer high resistance to the flow of current conduct electricity at high temperatures conduct electricity at low temperature ANSWER DOWNLOAD EXAMIANS APP
Physics The frequency of direct current is ________ Zero 60 HZ 50 HZ 100 HZ Zero 60 HZ 50 HZ 100 HZ ANSWER DOWNLOAD EXAMIANS APP
Physics An object having the capability to do work is said to possess Pressure Inertia Energy Force Pressure Inertia Energy Force ANSWER DOWNLOAD EXAMIANS APP
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