Questions

___ is used to control the fission reaction rate in a nuclear reactor as it absorbs neutrons without itself getting into fissioning.

Deficiency of which vitamin causes night blindness?

Grand Anicut Canal system, is located in which state?

An object of 1.2 cm height is placed 30 cm before a concave mirror of focal length of 20 cm toget a real image at a distance of 60 cm from the mirror. What is the height of the image formed?

If the velocity of a body becomes two times its initial velocity, its kinetic energy becomes n times its initial kinetic energy. What is the value of n?

Which is the largest continent in the world?

As per the Annual Status of Education Report (ASER) 2020, what percentage of surveyed children had access to live online classes?

'Akash' developed by DRDO is