Physics Hot water is poured simultaneously in four metallic tumblers painted outside with different points. After some time the water will be found to have cooled most in the tumbler painted. Shining black Rough white Shining white Rough black Shining black Rough white Shining white Rough black ANSWER DOWNLOAD EXAMIANS APP
Physics Supercooling is cooling of liquid ________ Below melting point Above melting point At melting point Below freezing point Below melting point Above melting point At melting point Below freezing point ANSWER DOWNLOAD EXAMIANS APP
Physics A dynamo is a device which Creates electrical energy Creates mechanical energy Converts mechanical energy into electrical energy Converts electrical energy into mechanical energy Creates electrical energy Creates mechanical energy Converts mechanical energy into electrical energy Converts electrical energy into mechanical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following celestial bodies contains abundant quantities of helium-3, a potential source of energy ? Venus Earth Saturn Moon Venus Earth Saturn Moon ANSWER DOWNLOAD EXAMIANS APP
Physics The atmospheric air is held to the Earth by : Winds Gravity Rotation of the Earth Clouds Winds Gravity Rotation of the Earth Clouds ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is an example of simple harmonic motion? Simple pendulum motion Earth spinning on its axis Ball bouncing on floor Motion of a ceiling fan Simple pendulum motion Earth spinning on its axis Ball bouncing on floor Motion of a ceiling fan ANSWER DOWNLOAD EXAMIANS APP