Match List I with List II.
List I | List II | ||
A | Vasectomy | I | Oral method |
B | Coitus interruptus | II | Barrier method |
C | Cervical cap | III | Surgical method |
D | Saheli | IV | Natural method |
Choose the correct answer from the options given below:
List - I (Period) | List - II (Population Growth Characteristics) | ||
(A) | 1901 - 1921 | (I) | Period of Population Explosion |
(B) | 1921 - 1951 | (II) | Gradually slowing down of growth rate |
(C) | 1951 - 1981 | (III) | Period of steady Population Growth |
(D) | 1981 - till present | (IV) | Stagnant or stationery phase of growth |
A bob of heavy mass \(m\) is suspended by a light string of length \(l\). The bob is given a horizontal velocity \(v_0\) as shown in figure. If the string gets slack at some point P making an angle \( \theta \) from the horizontal, the ratio of the speed \(v\) of the bob at point P to its initial speed \(v_0\) is :
A constant voltage of 50 V is maintained between the points A and B of the circuit shown in the figure. The current through the branch CD of the circuit is :
It refers to the rapid increase in the population of an area among human beings. Furthermore, it is a situation where the economy is not capable of coping with the increasing demand of its population. Population explosion refers to the number of people that live in an area. It is a major issue for developing countries. Also, the government is not taking proper measures to control this problem
The cause of the population explosion includes many factors and reasons. These includes: