Question

2+
2=
SECTION C
25. (a) A coin is placed at the bottom of beaker The beaker is now filled half with water.
i) What do you observe about the position of coin in the beaker?
ii) Name and state the cause of this phenomenon?
(b) Absolute refractive index of medium A is 1.3 while that of medium B is 2.4. In which of
these medium light propagate with lower speed? Give reason.
(c) Draw a labeled ray diagram to show the path of a ray of light coming out of second face
of rectangular glass slab when the ray of light is incident obliquely on the first refracting face
of glass slab​

Answer 1

Answer:

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The Green Revolution, or the Third Agricultural Revolution, is the set of research technology transfer initiatives occurring between 1950 and the late 1960s, that increased agricultural production worldwide, beginning most markedly in the late 1960s