Question

Could light also change its nature when passed through a transparent medium?
That was the question that Raman asked him. (11) For five years he had been doing
research on (12) optics, the science of light. No simple (13) equipment was available in
his laboratory. But Raman was confidence (14) that he could find the answer with
some modifications in his equipment. Four months later, on March 16, 1928, Raman
announced his discovery of 'new radiation' (describing the behaviour of a beam of light
passing through a liquid chemical) to an assembly (15) of scientists at Bangalore (now
called Bengaluru).
11. Replace the underlined word with the right word.
A) herself
B) myself
C) themselves
D) himself
12. Replace the underlined word with a suitable word.
A) about
B) of
C) in
D) upon
13. Replace the underlined word with a word which means the opposite.
A) sophisticated B) plain
C) ordinary D) basic
14. Replace the underlined word with the right form of the word.
A) confidential B) confident C) confidentially D) confidently
15. Replace the underlined word with a word which means the same.
A) a place where MLA's meet
B) morning prayer in the school
C) gathering
D) conference​

Answer 1

Answer:

12.a

13.d

14.b

Explanation:

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Answer 2

Answer:

jfufif9fofifkfllseosooseos

Explanation:

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