Physics Intensity of any wave is proportional to which of the following? Square root of amplitude Square of amplitude Cube of amplitude Amplitude Square root of amplitude Square of amplitude Cube of amplitude Amplitude ANSWER DOWNLOAD EXAMIANS APP
Physics A copper wire of radius r and length l has a resistance of R. A second copper wire with radius 2r and length l is taken and the two wires are joined in a parallel combination. The resultant resistance of the parallel combination of the two wires will be R/5 5 R 4 R/5 5 R/4 R/5 5 R 4 R/5 5 R/4 ANSWER DOWNLOAD EXAMIANS APP
Physics What is unit of Viscosity ? Coulomb Watt per meter per degree celcius Newton second per square meter Joule per kilogram per Kelvin Coulomb Watt per meter per degree celcius Newton second per square meter Joule per kilogram per Kelvin ANSWER DOWNLOAD EXAMIANS APP
Physics A circular plate, a cube and a sphere, all made up of same material and having the samemass, are heated to 300°C and left in a room. Which of them will have the slowest rate of cooling? Circular plate Sphere Cube All will cool at the same rate Circular plate Sphere Cube All will cool at the same rate ANSWER DOWNLOAD EXAMIANS APP
Physics Air moves from the region where the air ________ Pressure is low to the region where the pressure is high Pressure is high to the region where the pressure is low Humidity is high to the region where the humidity is low Humidity is low to the region where the humidity is high Pressure is low to the region where the pressure is high Pressure is high to the region where the pressure is low Humidity is high to the region where the humidity is low Humidity is low to the region where the humidity is high ANSWER DOWNLOAD EXAMIANS APP
Physics The apparent weight of a man in a lift is less the real weight when : The lift is going up with an acceleration The lift is going down with uniform speed The lift is going down with an acceleration The lift is going up with uniform speed The lift is going up with an acceleration The lift is going down with uniform speed The lift is going down with an acceleration The lift is going up with uniform speed ANSWER DOWNLOAD EXAMIANS APP