Question

Vo.
Section -A
All questions are compulsory. In case of internal choices, atte
any one of them.
Name the physical quantity having unit J/T.
Mention one use of part of electromagnetic spectrum to which a wa
of 21 cm (emitted by hydrogen in interstellar space) belongs.
OR
Give the ratio of velocity of the two light waves of wavelengths 4
8000) travelling in vacuum.
An electron with charge -e and mass m travels at a speed y​

Answer 1

Answer:

6terr5579rsqvksefireyjfresdtiojhgdryiogfefjo