Physics What is the minimum distance (in metres) required to hear an echo? 13 10 17 21 13 10 17 21 ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels fastest in Air Glass Water Vacuum Air Glass Water Vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics If the wavelengths corresponding to ultraviolet, visible and infrared radiations are given as lUV, lVIS and lIR respectively, then which of the following gives the correct relationship among these wavelengths? LUV > lVIS > lIR LUV > lIR > lVIS LUV < lIR < lVIS LUV < lVIS < lIR LUV > lVIS > lIR LUV > lIR > lVIS LUV < lIR < lVIS LUV < lVIS < lIR 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: 150 J 75 J 100 J 50 J 150 J 75 J 100 J 50 J ANSWER DOWNLOAD EXAMIANS APP
Physics A stone floor feels cold to the bare feet but a carpet on the same floor feels warm. This is because The floor and carpet are at different temperatures The human body maintains a constant temperature The stone conveys the heat away from the feet more rapidly than the carpet The carpet is a better conductor of heat than the stone The floor and carpet are at different temperatures The human body maintains a constant temperature The stone conveys the heat away from the feet more rapidly than the carpet The carpet is a better conductor of heat than the stone ANSWER DOWNLOAD EXAMIANS APP
Physics Unit of impedance is ________ Hertz Henry Tesla Ohm Hertz Henry Tesla Ohm ANSWER DOWNLOAD EXAMIANS APP
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