11th Class Physics MCQS Physical Optics Online Test 1

3-cp-3-e-3-cspan-style-3-d-22-color-3-a-23000000-3-b-font-family-3-a-tahoma-2-c-sans-serif-22-3-e-3-cspan-style-3-d-22-font-size-3-a-14-6667-px-22-3-e-the-waves-used-in-radar-speed-trap-are-3-a-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-microwaves-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-22-color-3-ablack-22-3-e-when-two-identical-waves-move-in-the-opposite-direction-2-c-they-give-rise-to-3-a-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-stationary-waves-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-arial-22-2-c-22-sans-serif-22-27-3-e-in-general-2-c-the-conditions-for-different-orders-of-minima-on-either-side-of-centre-are-given-by-dsin-c-2-a-0-3-cspan-class-3-d-22-math-tex-22-3-e-5-c-5-c-28-5-c-5-c-theta-5-c-5-c-29-3-c-2-fspan-3-e-3-d-c-2-a-0-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-arial-22-2-c-22-sans-serif-22-27-3-e-3-cspan-class-3-d-22-math-tex-22-3-e-5-c-5-c-28-m-5-c-5-clambda-5-c-5-c-29-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fspan-3-e-c-2-a-0-here-2-c-m-c-2-a-0-is-3-a-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-class-3-d-22-math-tex-22-3-e-5-c-5-c-28-m-3-d-5-c-5-cpm-281-2-c-2-2-c-3-2-c-4-2-c-29-5-c-5-c-29-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-e-3-cspan-style-3-d-22-color-3-ablack-22-3-e-environmental-crisis-are-also-known-as-3-a-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-entropy-crisis-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-e-3-cspan-style-3-d-22-color-3-ablack-22-3-e-if-magnifying-power-of-magnifying-glass-is-3-2-c-then-focal-length-will-be-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-e-3-cspan-style-3-d-22-color-3-ablack-22-3-e-3-a-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-12-5-cm-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-e-3-cspan-style-3-d-22-color-3-ablack-22-3-e-oscillation-of-shock-absorber-of-a-car-is-practical-example-of-3-a-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-e-3-cspan-style-3-d-22-color-3-ablack-22-3-e-damped-oscillation-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-e-3-cspan-style-3-d-22-color-3-ablack-22-3-e-the-centre-of-newton-e-2-80-99-s-rings-is-dark-due-to-3-a-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-destructive-interference-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-e-3-cspan-style-3-d-22-color-3-ablack-22-3-e-the-final-image-obtained-by-astronomical-telescope-is-3-a-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-virtual-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-e-3-cspan-style-3-d-22-color-3-ablack-22-3-e-the-resultant-of-two-vectors-having-magnitude-10-n-and-8-n-cannot-be-3-a-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-20-n-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-e-3-cspan-style-3-d-22-color-3-ablack-22-3-e-the-speed-of-sound-at-a-given-temperature-is-v-2-c-by-doubling-pressure-speed-of-sound-is-3-a-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-ev-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-e-3-cspan-style-3-d-22-color-3-ablack-22-3-e-the-temperature-scale-which-is-independent-of-nature-of-substance-is-3-a-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-thermodynamics-scale-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-e-3-cspan-style-3-d-22-color-3-ablack-22-3-e-the-terminal-velocity-of-a-droplet-falling-down-under-gravity-is-directly-proportional-to-the-square-of-3-a-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-e-3-cspan-style-3-d-22-color-3-ablack-22-3-e-its-radius-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-e-3-cspan-style-3-d-22-color-3-ablack-22-3-e-the-value-of-universal-gas-constant-e-2-80-98-r-e-2-80-99-is-3-a-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-e-8-314-j-mol-3-csup-3-e-1-3-c-2-fsup-3-e-k-3-csup-3-e-1-3-c-2-fsup-3-e-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-e-3-cspan-style-3-d-22-color-3-ablack-22-3-e-which-is-not-the-essential-component-of-a-spectrometer-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-e-3-cspan-style-3-d-22-color-3-ablack-22-3-e-3-f-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-microscope-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-e-product-of-area-of-cross-section-2-c-velocity-and-time-gives-3-a-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-e-volume-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-torque-has-maximum-value-if-angle-between-c-2-a-0-3-cspan-class-3-d-22-math-tex-22-3-e-5-c-5-c-28-7-b-5-c-5-cvec-7-br-7-d-7-d-5-c-5-c-29-3-c-2-fspan-3-e-3-c-2-fspan-3-e-c-2-a-0-and-c-2-a-0-3-cspan-class-3-d-22-math-tex-22-3-e-5-c-5-c-28-7-b-5-c-5-cvec-7-bf-7-d-7-d-5-c-5-c-29-3-c-2-fspan-3-e-is-3-a-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-90-3-csup-3-eo-3-c-2-fsup-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-12-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-calibri-22-2-c-22-sans-serif-22-27-3-e-3-cspan-style-3-d-22-color-3-ablack-22-3-e-if-mass-attached-to-a-spring-increases-2-c-then-the-time-period-3-a-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-12-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-calibri-22-2-c-22-sans-serif-22-27-3-e-3-cspan-style-3-d-22-color-3-ablack-22-3-e-increases-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-12-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-calibri-22-2-c-22-sans-serif-22-27-3-e-free-falling-bodies-3-a-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-12-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-calibri-22-2-c-22-sans-serif-22-27-3-e-are-in-a-state-of-weightlessness-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-12-0-pt-22-3-e-in-young-e-2-80-99-s-double-slit-experiment-2-c-the-condition-for-c-2-a-0-destructive-interference-is-3-a-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-12-0-pt-22-3-ed-sin-c-2-a-0-3-c-2-fspan-3-e-3-cspan-style-3-d-22-font-size-3-a-12-0-pt-22-3-e-ce-b-8-3-c-2-fspan-3-e-3-cspan-style-3-d-22-font-size-3-a-12-0-pt-22-3-e-c-2-a-0-3-d-28-m-2-b-1-2-f-2-29-ce-bb-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-12-0-pt-22-3-e-the-equation-for-michelson-e-2-80-99-s-interference-is-3-a-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-12-0-pt-22-3-el-3-d-m-3-c-2-fspan-3-e-3-cspan-style-3-d-22-font-size-3-a-12-0-pt-22-3-e-ce-bb-2-f-2-3-c-2-fspan-3-e-3-c-2-fp-3-e,which-is-no-optically-active-3-f_-_water