461 The number of significant figures in the length of a bar 6200mm measured by meter rod is_______________? Physics Medium Full question → A 4 B 3 C 2 D None of these
462 To reduce the uncertainty in the timing experiment______________? Physics Medium Full question → A Highly precise instrument B Conduct at room temperature C Count number of vibration D Both a and C
463 The number of significant figures in 5.400 is________________? Physics Medium Full question → A 3 B 5 C 2 D None
464 In multiplication and division of measurement______________? Physics Medium Full question → A Percentage uncertainties are added B Absolute uncertainties are added C Percentage uncertainties are divided D Absolute uncertainties are divided
465 Zero error of the instrument is a type of_________________? Physics Medium Full question → A Random error B Personal error C Systematic error D Classified error
466 Which one is the dimensionally correct equation ? Physics Medium Full question → A f=vt B S=Vit+1/2at2 C V=St D V=f/t
467 Which one is the correct representation of the unit of pressure ? Physics Medium Full question → A Newton/Meter2 B newton/meter2 C Newton/meter2 D newton/Meter2
468 Which one is the derived quantity in SI units _____________? Physics Medium Full question → A Electric current B Electric charge C Plane angle D Amount of substance
469 One light year is equal to________________? Physics Medium Full question → A 9.5x1015m B 9.5x1015sec C 9.5x1015Km D 9.5x1015cm
471 The unit of force is _________ and its symbol is ______________ Which is the correct pair ? Physics Medium Full question → A Newton, n B Newton, N C newton, n D newton, N
473 One pico stands for_________________? Physics Medium Full question → A 10 raised to power -15 B 10 raised to power -12 C 10 raised to power -9 D 10 raised to power -6
474 Which one is the highest power multiple ? Physics Medium Full question → A Giga B Beta C Mega D Deca
475 Total uncertainty, in the result obtained from the subtraction of two measurements, is equal to_______________? Physics Medium Full question → A Sum of their absolute uncertainties B The difference of their absolute uncertainties C The product of their absolute uncertainties D Division of their absolute uncertainties
476 An ideal standard of measurement of a base quantity has characteristics_______________? Physics Medium Full question → A Accessible B Invariable C Transportable D Only a and b are correct
477 Steradian is the SI unit of________________? Physics Medium Full question → A Plane angle B Solid angle C Both plane angle and solid angle D Neither plane angle nor solid angle
478 Absolute uncertainty in a measurement depends upon______________? Physics Medium Full question → A The magnitude of the measurement B Least count of the instrument C Percentage error in the measurement D All of a, b and C
479 Three students measured the length of a needle with meter rod and recorded as : (i) 0.2145m (ii) 0.21m (iii) 0.214m Which one is a correct record ? Physics Medium Full question → A Only (i) B Only (ii) C Only (iii) D Both (i) and (ii)
480 SI unit of the coefficient of viscosity is___________________? Physics Medium Full question → A Kg.m.S-1 B Kg m-1.S-1 C Kg.m.S D Kg-1.m-1.S-1