Physics Among the following materials sound travels fastest in Water Vacuum Air Steel Water Vacuum Air Steel ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to roll a barrel full of coal tar than to pull it because more surface area of the barrel is in contact with the road when it is pulled coal tar is a liquid and it flows in the barrel when it is rolled the full weight of the barrel comes into play when it is pulled the rolling friction is much less than the sliding friction more surface area of the barrel is in contact with the road when it is pulled coal tar is a liquid and it flows in the barrel when it is rolled the full weight of the barrel comes into play when it is pulled the rolling friction is much less than the sliding friction 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? Becomes zero Increases exponentially None of these Remains constant Becomes zero Increases exponentially None of these Remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics If the temperature of a place increases suddenly, the relative humidity Remains constant Decreases Fluctuates Increases Remains constant Decreases Fluctuates Increases ANSWER DOWNLOAD EXAMIANS APP
Physics According to the quantum theory of light, the energy of light is carried in discrete units are called Photons Photoelectrons Protons Electrons Photons Photoelectrons Protons Electrons ANSWER DOWNLOAD EXAMIANS APP
Physics The electrical domestic tube light gives white fluorescent light because of Heavy current Colision between molecules of filled gas under electric current Falling of ultra violet rays on the white inner coating of the tube Vacuum inside the tube Heavy current Colision between molecules of filled gas under electric current Falling of ultra violet rays on the white inner coating of the tube Vacuum inside the tube ANSWER DOWNLOAD EXAMIANS APP
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