Units and Measurement questions
875 published questions with worked solutions.
- The percentage errors in the measurement of length and time period of a simple pendulum are 1% and 2% respectively. Then the...
- The values of two resistors are R_1=(6 0.3) ,k and R_2=(10 0.2) ,k . The percentage error in the equivalent resistance when they...
- A physical quantity A is related to four observables a,b,c and d as follows: A= a^2b^3 c d . The percentage errors of measurement...
- A plate has a length (5 0.1) ,cm and breadth (2 0.01) ,cm. Then the area of the plate is
- The respective number of significant figures for the numbers 23.023, 0.0003 and 2.1 10^ -3 are
- If 3.8 10^ -6 is added to 4.2 10^ -5 giving due regard to significant figures, then the result will be [UP SEE 2009]
- The mass and volume of a body are found to be 5.00 0.05 ,kg and 1.00 0.05 ,m^3 respectively. Then the maximum possible percentage...
- If the length of rod A is (3.25 0.01) ,cm and that of B is (4.19 0.01) ,cm, then the rod B is longer than rod A by [J & K CET...
- If the length of a rectangle l=10.5 ,cm, breadth b=2.1 ,cm and minimum possible measurement by the scale =0.1 ,cm, then the area...
- If error in the radius is 3%, what is the error in the volume of a sphere?
- Two full turns of the circular scale of a screw gauge cover a distance of 1 mm on its main scale. The total number of divisions...
- If voltage V=(100 5) volt and current I=(10 0.2) A, the percentage error in resistance R is
- A student performs an experiment for determination of g (= 4 ^2l T^2 ), l 1 ,m, and he commits an error of l. For T he takes the...
- Statement 1: The light year and wavelength consist of dimensions of length. Statement 2: Both light year and wavelength represent...
- The magnetic force on a point moving charge is F =q( V B ). Here, q= electric charge, V = velocity of the point charge, B =...
- What is the power of a 100 W bulb in CGS units?
- [ML^ -2 T^ -2 ] represents the dimensional formula of which of the following physical quantities?
- If S= 13ft^3, f has the dimensions of
- Crane is a British unit of volume (one crane =170.4742). Convert crane into SI units.
- The dimensional formula of self-inductance is
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