Question

2. The following data on the number of girls (to the nearest ten) per thousand boys different sections of Indian society is given below. Section Number of girls per thousand boy 940 Scheduled Caste (SC) Scheduled Tribe (ST) 7.970 Non SC/ST 920 Backward districts 950 Non-backward districts 920 Rural 930- Urban 910​

Answer 1

Explanation:

1)Take a stand . 2)Tie the strand of thread u want to test. 3)Then tie a weight or u can say a stone on it and keep it increasing until it breaks (stones must be of same weight). ... 5)The thread which will break easily by putting only some weight is having low tensile strength.