Physics Magnetic keepers are used to protect magnets from : Demagnetization due to heating Effect of other magnets Self-demagnetization Earth's magnetic field Demagnetization due to heating Effect of other magnets Self-demagnetization Earth's magnetic field ANSWER DOWNLOAD EXAMIANS APP
Physics A 4 kg object is moving horizontally with a speed of 5 m/s. To increase its speed to 10 m/s, the amount of net work required to be done on this object is: 50 J 150 J 75 J 100 J 50 J 150 J 75 J 100 J ANSWER DOWNLOAD EXAMIANS APP
Physics Atomic hydrogen has a life period of A fraction of a second One day One minute One hour A fraction of a second One day One minute One hour ANSWER DOWNLOAD EXAMIANS APP
Physics Plants are dried up in winter due to frost because Respiration does not take place at low temperature There is mechanical loss of tissues and drought condition prevails Evaporation does not take place Photosynthesis does not take place at such low temperature Respiration does not take place at low temperature There is mechanical loss of tissues and drought condition prevails Evaporation does not take place Photosynthesis does not take place at such low temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Earliest thermometer was developed by Kelvin Fahrenheit Celsius Galileo Kelvin Fahrenheit Celsius Galileo ANSWER DOWNLOAD EXAMIANS APP
Physics A boy sitting in an open car moving with the constant speed throws a ball straight up into the air. The ball falls Into his hand In front of him By his side Behind him Into his hand In front of him By his side Behind him ANSWER DOWNLOAD EXAMIANS APP
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