NCERT Solutions Class 11 Physics - Solved Exercise Question 1.11



Question 1.11: 

Science, like any knowledge, can be put to good or bad use, depending on the user.
Given below are some of the applications of science. Formulate your views on whether
the particular application is good, bad or something that cannot be so clearly
categorized :
(a) Mass vaccination against small pox to curb and finally eradicate this disease
from the population. (This has already been successfully done in India).
(b) Television for eradication of illiteracy and for mass communication of news and
ideas.
(c) Prenatal sex determination
(d) Computers for increase in work efficiency
(e) Putting artificial satellites into orbits around the Earth
(f ) Development of nuclear weapons
(g) Development of new and powerful techniques of chemical and biological warfare).
(h) Purification of water for drinking
(i) Plastic surgery
(j ) Cloning

Solution:

(a) Good
(b) Good
(c) Bad
(d) Good
(e) Good
(f) Bad
(g) Bad
(h) Good
(i) Good
(j) Cannot be categorized

Students might have different answers to the ones above depending upon their perception.

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