922 An elevator weighing 3.5 x 10-6 N is raised to a height of 1000 m in the absence of friction, the work done is_________________? Physics Medium Full question → A 3.5 x 10-3 J B 3.5 x 104 J C 3.5 x 106 J D 3.5 x 109 J
923 The unit of entropy is________________? Physics Medium Full question → A J.K B J/K C N.m/sec D Kgm2/sec2.K
924 If a wire has a resistance of 0.5 ohm, then its conductance is: Physics Medium Full question → A 1 S B 1.5 S C 2 S D 5 S
925 Area under the curve of velocity-time graph gives_______? Physics Medium Full question → A Displacement B Force C Acceleration D Momentum
926 If the velocity-time graph gives a parabolic curve then body posses______? Physics Medium Full question → A Variable acceleration B Constant acceleration C Zero acceleration D All of these
927 The slope of velocity-time graph gives_______? Physics Medium Full question → A Speed B Velocity C Acceleration D All of these
928 When average and instantaneous velocities become equal then body possess_______? Physics Medium Full question → A Uniform Velocity B Variable Velocity C Uniform Acceleration D Variable Acceleration
929 If the distance-time graph gives a straight line then body possesses___________? Physics Medium Full question → A Zero Velocity B Uniform Velocity C Variable Velocity D None
930 The ratio of displacement to distance can not be___________? Physics Medium Full question → A Equal to one B Less than one C Greater than one D All are possible
931 Newton’s first law of motion is valid in_______? Physics Medium Full question → A Accelerated frame of reference B Inertial frame of reference C Non-inertial frame of reference D None
932 Speed of a body can not be_______? Physics Medium Full question → A Zero B Positive C Negative D None
933 Which of the following is reverse process of composition of vectors? Physics Medium Full question → A Addition of vectors B Subtraction of vectors C Multiplication of vectors D Resolution of vectors
934 If a vector Ā is making an angle “∅” with positive y-axis then which of the following is correct.? Physics Medium Full question → A Ax= ACos∅ B Ay= ASin∅ C Ay= ACos∅ D None
935 Addition of vectors obeys_______law? Physics Medium Full question → A Commutative Law B Associative Law C Distributive Law D All of these
936 Which of the following group of forces can produce equilibrium? Physics Medium Full question → A 12N, 5N, 20N B 4N ,2N, 10N C 10N, 18N D 12N, 5N, 15N