Which equation is not dimensionally correct ? April 17, 2025 by admin A. E=mc2 B. Vf=Vi+at C. S=Vt2 D. S=1/2at2
SI unit of the coefficient of viscosity is___________________? April 17, 2025 by admin A. Kg.m.S-1 B. Kg m-1.S-1 C. Kg.m.S D. Kg-1.m-1.S-1
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 ? April 17, 2025 by admin A. Only (i) B. Only (ii) C. Only (iii) D. Both (i) and (ii)
Absolute uncertainty in a measurement depends upon______________? April 17, 2025 by admin 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
Steradian is the SI unit of________________? April 17, 2025 by admin A. Plane angle B. Solid angle C. Both plane angle and solid angle D. Neither plane angle nor solid angle
An ideal standard of measurement of a base quantity has characteristics_______________? April 17, 2025 by admin A. Accessible B. Invariable C. Transportable D. Only a and b are correct
Total uncertainty, in the result obtained from the subtraction of two measurements, is equal to_______________? April 17, 2025 by admin 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
One pico stands for_________________? April 17, 2025 by admin A. 10 raised to power -15 B. 10 raised to power -12 C. 10 raised to power -9 D. 10 raised to power -6
