12th Class Physics Past Paper MCQS 2016 Group 2 Test Lahore Board

a-charged-particle-enters-in-a-strong-magnetic-field-its-k-e-3-a_-_remain-constant,a-pn-junction-can-not-be-used-as-3-a_-_amplifier,a-real-transformer-does-not-change-3-a_-_frequency-level,curie-temperature-iron-is-about-3-a_-_750-k,heat-generated-by-a-40-w-bulb-in-one-hour-is-3-a_-_144000-j,k-3-csub-3-e-e-2-88-9-e-3-c-2-fsub-3-e-x-rays-are-produced-due-to-transition-of-electrons-from-3-a_-_l-to-k-shell,rest-mass-of-photon-is-3-a_-_0-51-mev,selenium-is-a-3-a_-_photoconductor,the-activity-of-radioactive-sample-3-a_-_decreases-exponentially-with-time,the-factor-h-2-fm-3-csub-3-eo-3-c-2-fsub-3-ec-in-compton-equation-has-the-dimension-of-3-a_-_length,the-frequency-of-a-c-sources-used-in-pakistan-is-3-a_-_50-hz,the-galvanometer-can-be-made-sensitive-by-making-the-factor-banc-3-a_-_large,the-mean-value-of-a-c-in-a-cycle-is-3-a_-_0,the-moderator-used-in-a-nuclear-reactor-3-a_-_cadmium,the-power-factor-of-rl-series-circuit-is-3-a_-_1,the-ratio-of-potential-barriers-of-ge-to-si-at-room-temperature-is-3-a_-_0-129861111,two-charges-1-c-2-b-5-c-and-5-c-2-b-5-c-separate-by-20-cm-2-c-the-ratio-of-electoral-forces-acting-on-them-will-be-3-a_-_1-3-a-01