RRB GROUP D Physics Quiz - 39

Attempt now to get your rank among 3 students!

Question 1:

What does the term LASER stand for?

Question 2:

On which principle, an oximeter work?

Question 3:

Which of the following has a negative charge?

Question 4:

In which of the following silicon is not used?

Question 5:

What is the unit of electric power?