ADVANTAGES OF TUNNELLING:(i) Generally, when the depth of open-cut is more than 18 m, tunnelling is economical.(ii) Tunnels carry railway lines, roads and public utility service like water, oil, gas,...
Capital is the amount of money invested by the owner in the business. Say Reena is interested in doing a chocolate business , after sometime she has taken ₹ 40000 from her piggy bank which she collected...
The following equation relates the LEAST COMMON MULTIPLE (LCM) and HIGHEST COMMON FACTOR (HCF) of any two numbers:- (HCF)×(LCM) = (1st number)×(2nd number)This relation is used to solve sums...
Define Electric Potential difference. Ans: Amount of work done by every unit positive charge to move from one point to other point is known as electric potential difference. Difference between D.C current...
This Demo lesson includes the introduction to one of the highest weightage chapters of Physics inboards ATOMS Starting from Rutherford's nuclear model of an atom to the alpha particle trajectory, physics...