Physics Why do birds not have respiratory trouble at the time of flying at high altitude ? They use less oxygen Their lungs are very large They have extra air sacs They fly inactively They use less oxygen Their lungs are very large They have extra air sacs They fly inactively ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a device designed to protect electrical devices from voltage spikes? Voltage unloader Heat protector Current unloader Surge protector Voltage unloader Heat protector Current unloader Surge protector ANSWER DOWNLOAD EXAMIANS APP
Physics A small piece of a substance is weakly attracted by a strong magnetic field. The substance is Diamagnetic Ferromagnetic Non-magnetic Paramagnetic Diamagnetic Ferromagnetic Non-magnetic Paramagnetic 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 The velocity of falling rain drops attains a terminal value because of Upward thrust due to air Air current Surface tension Viscous force exerted by air Upward thrust due to air Air current Surface tension Viscous force exerted by air ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a non renewable source of energy ? Coal Biogas Solar Wind Coal Biogas Solar Wind ANSWER DOWNLOAD EXAMIANS APP
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