Physics A dynamo is a device which Converts mechanical energy into electrical energy Creates mechanical energy Converts electrical energy into mechanical energy Creates electrical energy Converts mechanical energy into electrical energy Creates mechanical energy Converts electrical energy into mechanical energy Creates electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics The energy emitted by the Sun is due to Nuclear fission All of these Nuclear fusion Chemical reaction Nuclear fission All of these Nuclear fusion Chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Physics The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be: 1 T 2 T 4 T 8 T 1 T 2 T 4 T 8 T ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibre works on which of the following principle of light? Diffraction Total internal reflection Reflection Refraction Diffraction Total internal reflection Reflection Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics If lift is going up with acceleration, the apparent weight of a body is May be more or less than true weight Less than the true weight More than the true weight Equal to the true weight May be more or less than true weight Less than the true weight More than the true weight Equal to the true weight ANSWER DOWNLOAD EXAMIANS APP
Physics At the Curie temperature, the ferromagnetic materials get converted into Diamagnetic materials Paramagnetic materials None of the others Non-magnetic materials Diamagnetic materials Paramagnetic materials None of the others Non-magnetic materials ANSWER DOWNLOAD EXAMIANS APP
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