PGT Physics Mock Test - UP Jharkhand Haryana PGT Physics Online Mock Test || UP PGT Physics Online Mock Test
1. Which of the following parameters is the same for hydrogen-like atoms and ions in ground States: 1. Radius of the orbit 2. Speed of the electron 3. Energy of the atom 4. Orbital angular momentum of electron 2. A coil of inductance 0.5 H is connected to an alternating EMF of frequency 50 Hz, its reactance is: 1. 25 Ω 2. 125 Ω 3. 157 Ω 4. 250 Ω 3. The magnetic susceptibility of an ideal diamagnetic material is: 1. 0 2. -1 3. 1 4. 10 4. Wattless current means 1. The average power consumed in a cycle is zero 2. EMF is zero 3. Current is zero 4. The phase difference between the current and potential difference is 0 5. Electromagnetic waves are produced...