In a system of units if force (F), acceleration (A) and time (T) are taken as fundamentals units then the dimensional formula of energy is
Q9. In a system of units if force (F), acceleration (A) and time (T) are…
2 years ago
Unit and Measurement MCQs
Which of the following is a dimensional constant?
Q. Which of the following is a dimensional constant? Gravitational constantDielectric constantRefractive indexRelative density Answer:…
2 years ago
Which of the following physical quantities has different dimensions?
Q. Which of the following physical quantities has different dimensions? EnergyWatt hourMomentumWork Answer: Momentum
2 years ago
Two physical quantities whose dimensions are not same, cannot be
Q. Two physical quantities whose dimensions are not same, cannot be multiplied with each otherdividedadded…
2 years ago
The most suitable instrument for measuring the size of an atom is
Q. The most suitable instrument for measuring the size of an atom is. Electron microscopeVernier…
2 years ago
The numbers 5.355 and 5.345 on rounding off to 3 significant figures will give
Q.14. The numbers 5.355 and 5.345 on rounding off to 3 significant figures will give…
2 years ago
The respective number of significant figures for the numbers 23.023, 0.0003 and 2.1×10-3 are
Q. The respective number of significant figures for the numbers 23.023, 0.0003 and 2.1×10-3 are…
2 years ago
Which two of the following five physical parameters have the same dimensions?
Q. Which two of the following five physical parameters have the same dimensions? I. Energy…
2 years ago
The length, breadth and height of a rectangular block of wood were measured to be l = 12.13 ± 0.02 cm, b = 8.16 ± 0.01cm and h = 3.46 ± 0.01cm.
Q. The length, breadth and height of a rectangular block of wood were measured to…
2 years ago