Physics Why does a cannon recoil after firing ? Conservation of energy Backward thrust of gases produced Newton's third law of motion Newton's first law of motion Conservation of energy Backward thrust of gases produced Newton's third law of motion Newton's first law of motion ANSWER DOWNLOAD EXAMIANS APP
Physics Electromagnetic waves are transverse in nature is evident by Diffraction Reflection Interference Polarisation Diffraction Reflection Interference Polarisation ANSWER DOWNLOAD EXAMIANS APP
Physics What changes will happen to a bowl of ice and water kept at exactly zero degree Celsius ? No change will happen All ice will melt Only some ice will melt All water will become ice No change will happen All ice will melt Only some ice will melt All water will become ice ANSWER DOWNLOAD EXAMIANS APP
Physics The sensation of weightlessness in a spacecraft in an orbit is due to the Absence of gravity outside Acceleration in the orbit which is equal to the acceleration due to gravity outside Fact that spacecraft in the orbit has no energy Presence of gravity outside but not inside the spacecraft Absence of gravity outside Acceleration in the orbit which is equal to the acceleration due to gravity outside Fact that spacecraft in the orbit has no energy Presence of gravity outside but not inside the spacecraft ANSWER DOWNLOAD EXAMIANS APP
Physics The frequency of ultrasound wave is typically Below 20 kHz Above 20 kHz Below 02 kHz Above 20,000 kHz Below 20 kHz Above 20 kHz Below 02 kHz Above 20,000 kHz ANSWER DOWNLOAD EXAMIANS APP
Physics Water has maximum density at 0°C 4°C 273°C 100°C 0°C 4°C 273°C 100°C ANSWER DOWNLOAD EXAMIANS APP
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