The author’s grandmother was disturbed when he started going to the city school because:
(i) She could not help him with his lessons in English, science. She didn't believe in them.
(ii) No teaching of God and scriptures jn the author's English medium school.
(iii) She was unhappy with the idea of music lessons being given at school. She considered music suitable only for the people with low dignity.
Figures 9.20(a) and (b) refer to the steady flow of a (non-viscous) liquid. Which of the two figures is incorrect ? Why ?