Physics A hydrogen balloon floats up because of Air pressure decreases with decrease in weight Weight of the balloon is less than the weight of air displaced by it. The pressure inside the balloon is more than the pressure outside it Air pressure decreases with decrease in height Air pressure decreases with decrease in weight Weight of the balloon is less than the weight of air displaced by it. The pressure inside the balloon is more than the pressure outside it Air pressure decreases with decrease in height ANSWER DOWNLOAD EXAMIANS APP
Physics What is the change in the angular momentum of a system as per the Law of Conservation of Angular momentum, if the total external torque acting is zero? Remains constant Becomes zero Increases exponentially None of these Remains constant Becomes zero Increases exponentially None of these ANSWER DOWNLOAD EXAMIANS APP
Physics When a number of resistors are connected in series in a circuit, the value of current: Increases Remains the same Becomes half Decreases Increases Remains the same Becomes half Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Earliest thermometer was developed by Celsius Kelvin Fahrenheit Galileo Celsius Kelvin Fahrenheit Galileo ANSWER DOWNLOAD EXAMIANS APP
Physics It is more difficult to walk on ice than on a concrete road because There is very little friction between the ice and feet pressing it None of these Ice is soft when compared to concrete There is more friction between the ice and feer There is very little friction between the ice and feet pressing it None of these Ice is soft when compared to concrete There is more friction between the ice and feer ANSWER DOWNLOAD EXAMIANS APP
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