Question

3. Consider the following statements regarding “Megamaser’s”, which recently appeared in the news,

1) Megamaser’s are cousins of lasers.

2) Lasers are devices used to emit a beam of light by controlling the emission of photons from excited atoms. While ‘masers’, which are a play on the word ‘laser’, do the same in the microwave region.

3) Recently, the Hubble telescope found a ‘Megamaser’ that was around 100 million times brighter than the masers found in galaxies like the Milky Way.

Which of the following statements is/are correct?

• A. a) 1 and 2 Only
• B. b) 2 and 3 Only
• C. c) All, 1, 2 and 3
• D. d) 1 and 3 Only

Answer 1

The correct option is C

c) All, 1, 2 and 3

Ans (c)