Questions

Which of the following is used to protect objects in computer system, in the absence of more complete protection schemes?

First man to go into space was

Name the official language of Brazil?

Choose the most appropriate answer:Natural radioactivity was discovered by

Propagation of sound can be visualised as propagation of _____________ variations in the medium.

In a hydrogen atom, an electron moves in an orbit of radius 5.0 x 10-11 m with a speed of 2.2 x 106 m/s. What is the equivalent current? (Electronic charge = 1.6 x10-19 C)

What is the accounting year of the Reserve Bank of India ?

Which is the warmest layer of the atmosphere?