Physics Working of safety fuses depends upon1. magnetic effect of the current2. chemical effect of the current3. magnitude of the current4. heating effect of the currentSelect the correct answer using the code given below. 1, 2, 3 and 4 1, 2 and 3 only 4 only 3 and 4 only 1, 2, 3 and 4 1, 2 and 3 only 4 only 3 and 4 only ANSWER DOWNLOAD EXAMIANS APP
Physics A spherical ball made of steel when dropped in mercury container Will dissolve in mercury Will be partly immersed mercury Sink in mercury Will be on the surface of mercury Will dissolve in mercury Will be partly immersed mercury Sink in mercury Will be on the surface of mercury ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has got more heat capacity ? Gold piece Benzene Iron piece Water Gold piece Benzene Iron piece Water ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of the physical quantity Entropy? Pascal per kelvin Joule per kelvin Newton per kelvin Watt per kelvin Pascal per kelvin Joule per kelvin Newton per kelvin Watt per kelvin ANSWER DOWNLOAD EXAMIANS APP
Physics Should cars have bumpers that collapse under impact? Yes, since they help to absorb the impact of a collision and keep the occupants safe Yes, since the offending car should get damaged and pay for the mistake No, since it would be very expensive to get the car repaired No, since the colliding car would then ram into the occupants and kill them Yes, since they help to absorb the impact of a collision and keep the occupants safe Yes, since the offending car should get damaged and pay for the mistake No, since it would be very expensive to get the car repaired No, since the colliding car would then ram into the occupants and kill them ANSWER DOWNLOAD EXAMIANS APP
Physics The working of a rocket is based on the principle of: Conservation of momentum Conservation of angular momentum Conservation of mass Conservation of energy Conservation of momentum Conservation of angular momentum Conservation of mass Conservation of energy ANSWER DOWNLOAD EXAMIANS APP