11th Class Physics MCQS Vectors and Equilibrium Online Test 2

3-cp-3-e-if-the-body-of-weight-e-2-80-98-w-e-2-80-99-is-lifted-through-a-height-e-2-80-98-h-e-2-80-99then-the-work-done-will-be-3-a-3-c-2-fp-3-e_-_3-cp-3-ewh-3-c-2-fp-3-e,3-cp-3-e-it-the-radius-of-earth-is-doubled-then-the-value-of-critical-velocity-becomes-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-28-5-c-5-csqrt-7-b-2-7-dv-o-5-c-5-c-29-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-one-radian-is-equal-to-3-a-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-class-3-d-27-5-c-5-c-22-math-tex-5-c-5-c-22-27-3-e-5-c-5-c-5-c-5-c-28-7-b-1-5-c-5-c-5-c-5-cover-2-5-c-5-c-5-c-5-cpi-7-d-5-c-5-c-5-c-5-c-29-3-c-2-fspan-3-e-c-2-a-0-rev-3-c-2-fp-3-e,3-cp-3-e-original-sources-of-energy-for-biomass-is-3-a-3-c-2-fp-3-e_-_3-cp-3-e-sun-3-c-2-fp-3-e,3-cp-3-e-the-dimensions-of-work-are-3-a-3-c-2-fp-3-e_-_3-cp-3-e-5-bml-3-csup-3-e-2-3-c-2-fsup-3-et-3-csup-3-e-2-3-c-2-fsup-3-e-5-d-3-c-2-fp-3-e,3-cp-3-e-the-scalar-product-of-two-vectors-a-and-b-at-an-angle-ce-b-8-with-each-other-is-3-a-3-c-2-fp-3-e_-_3-cp-3-ea-bcos-ce-b-8-3-c-2-fp-3-e,3-cp-3-e-the-time-period-22-t-22-c-2-a-0-of-the-artificial-satellite-is-given-by-5-c-5-c-3-a-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-t-3-d-5-c-5-cfrac-7-b-2-5-c-5-cpi-r-7-d-7-bv-7-d-5-c-5-c-29-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-ea-body-will-be-in-rotational-equilibrium-if-3-a-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-28-5-c-5-csum-5-c-5-ctau-3-d-0-5-c-5-c-29-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-ea-communication-satellite-is-used-to-reflect-the-signal-of-3-a-3-c-2-fp-3-e_-_3-cp-3-e-microwaves-3-c-2-fp-3-e,3-cp-3-ea-field-in-which-the-work-done-in-moving-a-body-along-closed-path-is-zero-is-called-3-a-3-c-2-fp-3-e_-_3-cp-3-econservative-field-3-c-2-fp-3-e,3-cp-style-3-d-22-text-align-3-ajustify-22-3-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-the-types-of-waves-are-particularly-useful-under-sea-communication-and-detection-systems-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-arial-22-2-c-22-sans-serif-22-27-3-eultrasonic-waves-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-style-3-d-22-text-align-3-ajustify-22-3-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-velocity-of-an-object-has-1-25-uncertainty-and-mass-has-2-25-uncertainty-then-total-uncertainty-in-k-e-will-be-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-arial-22-2-c-22-sans-serif-22-27-3-e-4-25-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-style-3-d-22-text-align-3-ajustify-22-3-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-ea-simple-harmonic-oscillator-has-a-period-of-0-01-s-and-an-amplitude-of-0-2-m-the-magnitude-of-velocity-at-the-centre-of-oscillation-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-2840-5-c-5-cpi-5-c-5-c-29-3-c-2-fspan-3-e-3-c-2-fp-3-e,5-c-28-28-5-chat-7-bi-7-d-09-imes-5-chat-7-bj-7-d-29-09-imes-5-chat-7-bk-7-d-2-b-28-5-chat-7-bj-7-d-09-imes-5-chat-7-bi-7-d-29-09-imes-5-chat-7-bi-7-d-5-c-29-will-be-3-a_-_5-c-28-5-chat-7-bj-7-d-5-c-29,5-c-28-5-chat-7-bi-7-d-5-chat-7-bi-7-d-3-d-5-chat-7-bj-7-d-5-chat-7-bj-7-d-3-d-5-chat-7-bk-7-d-5-chat-7-bk-7-d-5-c-29-is-equal-to-3-a_-_1,5-c-28-5-chat-7-bj-7-d-c-3-97-5-chat-7-bk-7-d-5-c-29-3-d-3-a_-_5-c-28-5-chat-7-bi-7-d-5-c-29,a-body-will-be-in-rotational-equilibrium-if-3-a_-_5-c-28-5-csum-09-au-3-d-0-5-c-29,a-body-will-be-in-translational-equilibrium-2-c-if-3-a_-_e-2-88-91-3-cem-3-e-3-cu-3-ef-3-c-2-fu-3-e-3-c-2-fem-3-e-3-d-0,a-force-of-5-n-is-acting-along-y-axis-its-component-along-x-axis-is-3-a_-_zero,a-vector-which-has-zero-magnitude-is-called-3-a_-_null-vector,when-a-vector-is-multiplied-by-a-negative-number-2-c-its-direction-3-a_-_changes-by-180-3-csup-3-eo-3-c-2-fsup-3-e