KSR2.2

4. What is the correct number of significant figures in 0.0003026 ?
8. The error associated with the resolution of the instrument.
11. Error in the measurement of radius of a sphere is 1%. Then error in the measurement of volume is
12. A decice which is used for measurment of length to an accuracy of about 10-4 m is
13. The density of a material in CGS system is 8 g / cm3. In a system of a unit in which unit of length is 5 cm and unit of mass is 20 g. The density of material is
15. Decibel is used to measure the intensity of
16. Resistance R = V/I, here V= (100 􀁲 5)V and I = (100 􀁲 0.2 ) A. Find percentage error in R.
17. Which of the systems of units is not based on units of mass, length and time alone ?

1. The physical quantity that has no dimensions is
2. The division of energy by time is X. The dimensional formula of X is same as that of
3. It is a Scalar quantity
5. The unit of energy in MKS system
6. The dimensions of pressure is equal to
7. The physical quantity can be expressed as force per unit area?
9. Mass of a body is 210 gm and its density is 7.981 g/cm3 what will be its volume, with regard to significant digits?
10. The ___ is a measure of how close the measured value is to the true value of quantity
14. The number of significant figures in 0.00060 m is