Physics If a person moves a trolley for a distance of 10 m with a force of 50 N, then the work done is 5 J 20 J 0.2 J 500 J 5 J 20 J 0.2 J 500 J ANSWER DOWNLOAD EXAMIANS APP
Physics In a Carnot engine when heat is taken from the source, its temperature Decreases and then remains constant Remains constant Decreases Increases Decreases and then remains constant Remains constant Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Physics For a body moving with uniform acceleration its final velocity equals ________ 2 x average velocity - initial velocity Average velocity + initial velocity Average velocity - initial velocity 2 x average velocity + initial velocity 2 x average velocity - initial velocity Average velocity + initial velocity Average velocity - initial velocity 2 x average velocity + initial velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Red is used as an emergency or danger signal as It is a striking colour It has very high energy Its wavelength is the longest It is scattered It is a striking colour It has very high energy Its wavelength is the longest It is scattered ANSWER DOWNLOAD EXAMIANS APP
Physics Cloudy nights are warmer compared to clear cloudless nights, because clouds mainly Absorb heat from the atmosphere send it towards earth Prevent cold waves from the sky descending on earth Produce heat and radiate it toward earth Reflect back the heat given by earth Absorb heat from the atmosphere send it towards earth Prevent cold waves from the sky descending on earth Produce heat and radiate it toward earth Reflect back the heat given by earth ANSWER DOWNLOAD EXAMIANS APP
Physics The coil wire in the electric room heater or electric cooking heater is called ________ Cells Circuit Element Filament Cells Circuit Element Filament ANSWER DOWNLOAD EXAMIANS APP