The density of the material of a cube can be estimated by measuring its mass and the length of one of its sides. If the maximum error in the measurement of mass and length are 0.3% and 0.2% respectively, the maximum error in the estimation of the density of the cube is approximately
The age of fossils can be estimated now by
In breathing movements, air volume can be estimated by
The half-life of a radioactive isotope X is 50 years . It decays to another element Y which is stable . The two elements X and Y were found to be in the ratio of 1:15 in a sample of a given rock. The age of the rock was estimated to be
The hardness of water is estimated by
An Apple tree can be made to bear larger sized fruits by
In basic medium the amount of Ni^(2+) in a solution can be estimated with dimenthylglyoxime regent. The correct statement(s) about the reaction and the product is (are) -
How can XeF_(4) be estimated?
Apples growing on tree can have larger than normal size by
