11th Class Physics MCQS Optical Instruments Online Test 5

the-final-image-produced-by-a-compound-microscope-is-3-a_-_virtual-and-inverted,the-final-image-seen-through-eye-piece-in-telescope-is-3-a_-_virtual-2-c-enlarge-and-inverted,the-final-image-seen-through-eye-piece-in-telescope-is-3-a_-_virtual-enlarge-and-inverted,the-first-person-who-attempted-to-measure-the-speed-of-light-was-3-a_-_galilleo,the-focal-length-of-convex-lens-is-3-a_-_positive,the-formula-5-c-28-a-7-bmin-7-d-3-d-1-22-0-crac-7-b-5-clambda-7-d-7-bd-7-d-5-c-29-26-nbsp-3-bfor-resolving-power-of-lens-was-given-by-3-a_-_rayleigh,the-image-formed-by-eyepiece-of-compound-microscope-is-3-a_-_virtual-and-enlarge,the-image-of-an-object-placed-far-away-from-a-converging-lens-is-found-behind-the-lens-3-a_-_at-the-focus,the-infra-red-communication-system-has-typical-wavelength-equal-to-3-a_-_1-3-ce-b-cm,the-infra-red-light-used-in-the-fiber-optic-communication-system-has-typical-wavelength-equal-to-3-a_-_5-c-281-3-5-c-2-c-5-cmu-m-5-c-29,the-least-distance-of-distinct-vision-for-the-normal-eye-is-3-a_-_25-cm,the-light-emitted-from-light-emitting-diode-28-led-29-has-wave-length-3-a_-_5-c-281-3-5-c-2-c-5-cmu-m-5-c-29,the-light-signal-in-optical-fiber-must-be-regenerated-by-a-device-called-3-a_-_repeater,the-magnifying-power-if-a-convex-lens-of-focal-length-10-cm-is-3-a_-_3-5,the-magnifying-power-of-a-compound-microscope-using-convex-lenses-of-focal-length-f-3-csub-3-eo-3-c-2-fsub-3-e-and-f-3-csub-3-ee-3-c-2-fsub-3-e-respectively-as-objective-and-eyepiece-is-given-by-3-a_-_5-c-28-0-crac-7-bl-7-d-7-bf-o-7-d-5-cleft-281-2-b-0-crac-7-bd-7-d-7-bf-e-7-d-0-dight-29-5-c-29,the-magnifying-power-of-a-convex-lens-of-focal-length-5-cm-is-3-a_-_6,the-magnifying-power-of-an-asronomical-telescope-is-10-if-the-focal-length-of-objective-is-100-cm-2-c-then-what-is-the-focal-length-of-eye-piece-3-f_-_10-cm,the-magnifying-power-of-simple-microscope-is-3-a_-_3-cimg-src-3-d-22-2-fimages-2-fmcqs-2-f-11th-2-fphy-2-f-11th-phy-ch-10-004-02-png-22-3-e,the-minimum-distance-from-the-eye-at-which-an-object-appears-to-be-distinct-is-3-a_-_25-cm,the-optical-fiber-is-covered-for-protection-by-a-3-a_-_plastic-jacket,the-speed-of-light-in-other-materials-is-always-3-a_-_less-than-c,using-a-graded-index-fibre-2-c-the-time-difference-is-reduced-to-about-3-a_-_5-c-281-0-crac-7-bns-7-d-7-bkm-7-d-5-c-29