Physics Why do birds not have respiratory trouble at the time of flying at high altitude ? They fly inactively They use less oxygen They have extra air sacs Their lungs are very large They fly inactively They use less oxygen They have extra air sacs Their lungs are very large ANSWER DOWNLOAD EXAMIANS APP
Physics An athlete runs before long jump to get advantage on Moment of a force Frictional force Inertia of motion Principle of moments Moment of a force Frictional force Inertia of motion Principle of moments ANSWER DOWNLOAD EXAMIANS APP
Physics Which one among the following doesn't have any effect on velocity of sound ? Pressure Humidity Density Temperature Pressure Humidity Density Temperature ANSWER DOWNLOAD EXAMIANS APP
Physics The sky appears blue because In white light, the blue component dominates All colours interfere to produce blue It is actually blue The atmosphere scatters blue colour more than the others In white light, the blue component dominates All colours interfere to produce blue It is actually blue The atmosphere scatters blue colour more than the others ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the shortest wavelength? Gamma rays Radio waves Infrared rays Microwaves Gamma rays Radio waves Infrared rays Microwaves 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 < lIR < lVIS LUV < lVIS < lIR LUV > lVIS > lIR LUV > lIR > lVIS LUV < lIR < lVIS LUV < lVIS < lIR LUV > lVIS > lIR LUV > lIR > lVIS ANSWER DOWNLOAD EXAMIANS APP