10th Class Physics MCQS Electrostatics Online Test 1

1-3-fc-3-d-c_-_10-3-csup-3-e-6-3-c-2-fsup-3-e,3-cp-3-e-an-instrument-to-examine-the-sore-throat-is-3-a-3-c-2-fp-3-e_-_3-cp-3-e-gastroscope-3-c-2-fp-3-e,3-cp-3-e-an-object-is-14-cm-in-front-of-a-concave-mirror-the-image-is-5-8-cm-behind-the-mirror-what-is-the-focal-length-of-the-mirror-3-f-3-c-2-fp-3-e_-_3-cp-3-e-9-9-cm-3-c-2-fp-3-e,3-cp-3-e-audio-cassettes-consist-of-a-tape-of-magnetic-material-on-which-sound-is-saved-in-a-particular-form-of-a-3-a-3-c-2-fp-3-e_-_3-cp-3-e-magnetic-field-3-c-2-fp-3-e,3-cp-3-e-colour-coding-for-netural-wire-is-3-a-3-c-2-fp-3-e_-_3-cp-3-e-black-or-blue-3-c-2-fp-3-e,3-cp-3-e-for-a-normal-person-2-c-audible-frequency-range-lies-between-3-c-2-fp-3-e_-_3-cp-3-e-20-hz-20-k-hz-3-c-2-fp-3-e,3-cp-3-e-if-we-increase-the-length-of-a-wire-to-four-times-of-its-original-length-2-c-what-will-be-its-resistance-now-3-a-3-c-2-fp-3-e_-_3-cp-3-e-four-time-3-c-2-fp-3-e,3-cp-3-e-if-x-3-d-a-2-b-b-then-x-3-d-0-when-3-a-3-c-2-fp-3-e_-_3-cp-3-ea-3-d-0-2-c-b-3-d-0-3-c-2-fp-3-e,3-cp-3-e-in-mica-capacitor-the-dielectric-is-3-a-3-c-2-fp-3-e_-_3-cp-3-e-mica-3-c-2-fp-3-e,3-cp-3-e-in-the-case-of-a-bar-magnet-2-c-the-magnetic-lines-of-force-start-from-3-c-2-fp-3-e_-_3-cp-3-e-north-pole-3-c-2-fp-3-e,3-cp-3-e-information-technology-is-3-c-2-fp-3-e_-_3-cp-3-e-changing-speedily-3-c-2-fp-3-e,3-cp-3-e-particles-emitted-from-a-hot-cathode-surface-are-5-c-5-c-3-a-3-c-2-fp-3-e_-_3-cp-3-e-electrons-3-c-2-fp-3-e,to-protect-the-gold-leaves-from-external-disturbances-in-an-electroscope-a-foil-grounded-is-made-of-3-a_-_aluminium