Physics Why do birds not have respiratory trouble at the time of flying at high altitude ? They fly inactively They have extra air sacs Their lungs are very large They use less oxygen They fly inactively They have extra air sacs Their lungs are very large They use less oxygen ANSWER DOWNLOAD EXAMIANS APP
Physics Air moves from the region where the air ________ Humidity is low to the region where the humidity is high Humidity is high to the region where the humidity is low Pressure is high to the region where the pressure is low Pressure is low to the region where the pressure is high Humidity is low to the region where the humidity is high Humidity is high to the region where the humidity is low Pressure is high to the region where the pressure is low Pressure is low to the region where the pressure is high ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has got more heat capacity ? Water Iron piece Gold piece Benzene Water Iron piece Gold piece Benzene ANSWER DOWNLOAD EXAMIANS APP
Physics What is the reason for formation of Mirage in desert? Refraction of light Reflection of light Total internal reflection of light Both Refraction and Total internal reflection of light Refraction of light Reflection of light Total internal reflection of light Both Refraction and Total internal reflection of light ANSWER DOWNLOAD EXAMIANS APP
Physics The wave like properties of electrons are useful in Lasers All of these Weather reports Magnifying objects Lasers All of these Weather reports Magnifying objects ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in air Decreases with increase of temperature Does not depend on temperature Increases with decrease of temperature Decreases with decrease of temperature Decreases with increase of temperature Does not depend on temperature Increases with decrease of temperature Decreases with decrease of temperature ANSWER DOWNLOAD EXAMIANS APP