Physics What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space? 18 km/sec 35 km/sec 11.2 km/sec 21 km/sec 18 km/sec 35 km/sec 11.2 km/sec 21 km/sec ANSWER DOWNLOAD EXAMIANS APP
Physics Solar energy is due to Fission reactions Chemical reactions Combustion reactions Fusion reactions Fission reactions Chemical reactions Combustion reactions Fusion reactions ANSWER DOWNLOAD EXAMIANS APP
Physics A hydrogen balloon floats up because of The pressure inside the balloon is more than the pressure outside it Weight of the balloon is less than the weight of air displaced by it. Air pressure decreases with decrease in weight Air pressure decreases with decrease in height The pressure inside the balloon is more than the pressure outside it Weight of the balloon is less than the weight of air displaced by it. Air pressure decreases with decrease in weight Air pressure decreases with decrease in height ANSWER DOWNLOAD EXAMIANS APP
Physics Why is it difficult to breathe at higher altitudes? Due to low air pressure Due to low temperature Due to high humidity Due to ozone Due to low air pressure Due to low temperature Due to high humidity Due to ozone ANSWER DOWNLOAD EXAMIANS APP
Physics Which is an example of Phototropism? Plant bending toward the light Roots growing into the soil Roots of a plant following water A venus flytrap capturing a fly Plant bending toward the light Roots growing into the soil Roots of a plant following water A venus flytrap capturing a fly ANSWER DOWNLOAD EXAMIANS APP
Physics Light houses are places with powerful lights to : Indicate to the incoming warships, the location of a harbour during night Guide and warn the ships coming from different directions in the ocean Guide and resolve traffic jams in crowded metro-cities during nights Guide and help large crowds at religious gathering during nights Indicate to the incoming warships, the location of a harbour during night Guide and warn the ships coming from different directions in the ocean Guide and resolve traffic jams in crowded metro-cities during nights Guide and help large crowds at religious gathering during nights ANSWER DOWNLOAD EXAMIANS APP
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