Extra info part4

Question 1

Vernier constant meaning

Answer 1

Least count of vernier calliper

Question 2

What happens in amplitude modulation?

Answer 2

The amplitude of carrier wave is varied according to the amplitude of information wave

Question 3

Reaction happening on polar stratospheric clouds

Answer 3

ClONO2 + H2O ——-> HOCl + HNO3

Question 4

Bomb calorimeter, amt of heat produced represents?

Answer 4

It represents (minus delta U) as heat is being released

Question 5

Which should be used as electrode: Metal having high dE/dT value or metal having low dE/dT value

Answer 5

Low dE/dT value so that it doesn’t vary much with concentration