Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 5 cm 10 cm 20 cm 15 cm 5 cm 10 cm 20 cm 15 cm ANSWER DOWNLOAD EXAMIANS APP
Physics Pick out the scalar quantity Force Pressure Acceleration Velocity Force Pressure Acceleration Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Angle of friction and angle of repose are None of these Not equal to each other Equal to each other Proportional to each other None of these Not equal to each other Equal to each other Proportional to each other ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound is more in Wood Steel Air Water Wood Steel Air Water ANSWER DOWNLOAD EXAMIANS APP
Physics Cloudy nights are warmer compared to clear cloudless nights, because clouds mainly Reflect back the heat given by earth Produce heat and radiate it toward earth Prevent cold waves from the sky descending on earth Absorb heat from the atmosphere send it towards earth Reflect back the heat given by earth Produce heat and radiate it toward earth Prevent cold waves from the sky descending on earth Absorb heat from the atmosphere send it towards earth ANSWER DOWNLOAD EXAMIANS APP
Physics Hertz is the SI unit of Power Frequency Pressure Weight Power Frequency Pressure Weight ANSWER DOWNLOAD EXAMIANS APP
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