Physics Which of the following is the fastest communication channel? Radio wave All are operating at nearly the same propagation speed Microwave Optical fiber Radio wave All are operating at nearly the same propagation speed Microwave Optical fiber ANSWER DOWNLOAD EXAMIANS APP
Physics The modulus of rigidity is the ratio of Longitudinal stress to longitudinal strain Tensile stress to tensile strain Volume stress to volume strain Shearing stress to shearing strain Longitudinal stress to longitudinal strain Tensile stress to tensile strain Volume stress to volume strain Shearing stress to shearing strain ANSWER DOWNLOAD EXAMIANS APP
Physics A man standing close to the platform at a railway station experiences a pulling force towards a fast moving train because of ________ . Illusion of the man Gravitational force between train and man Pressure difference due to fast moving air in between The centripetal force Illusion of the man Gravitational force between train and man Pressure difference due to fast moving air in between The centripetal force ANSWER DOWNLOAD EXAMIANS APP
Physics When a person sitting on a swing stands up on the swing, the frequency of oscillation Increases Decreases Becomes infinite Does not change Increases Decreases Becomes infinite Does not change ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of intensity of electric field is N/m N/c Volt J/c N/m N/c Volt J/c ANSWER DOWNLOAD EXAMIANS APP
Physics Who discovered X-ray Ernest Rutherford Marie Curie Wilhelm Rontgen Pierre Curie Ernest Rutherford Marie Curie Wilhelm Rontgen Pierre Curie ANSWER DOWNLOAD EXAMIANS APP