Physics Why do birds not have respiratory trouble at the time of flying at high altitude ? 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 They fly inactively They use less oxygen ANSWER DOWNLOAD EXAMIANS APP
Physics The work done by the string of a simple pendulum during one complete oscillation is equal to Total energy of the pendulum Kinetic energy of the pendulum Potential energy of the pendulum Zero Total energy of the pendulum Kinetic energy of the pendulum Potential energy of the pendulum Zero ANSWER DOWNLOAD EXAMIANS APP
Physics Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit visible light X-rays radio waves ultraviolet light visible light X-rays radio waves ultraviolet light ANSWER DOWNLOAD EXAMIANS APP
Physics Of the following properties of a wave, the one that is independent of the other is its amplitude frequency wavelength velocity amplitude frequency wavelength velocity ANSWER DOWNLOAD EXAMIANS APP
Physics When a ship enters the sea from a river It sinks a little It rises or sinks depending on the material it is made of It remains at the same level It rises a little It sinks a little It rises or sinks depending on the material it is made of It remains at the same level It rises a little ANSWER DOWNLOAD EXAMIANS APP
Physics The part of the eye having the largest refractive index is : Lens Vitreous humor Aqueous humor Cornea Lens Vitreous humor Aqueous humor Cornea ANSWER DOWNLOAD EXAMIANS APP
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