Questions

Find the power of a convex lens if the image formed is at a distance of 20 cm from the lens when the object is placed on the other side of the lens at 25 cm from the optical centre?

A Sonar of a ship sends sounds waves of speed 1000 m/s. These waves are reflected back by the ocean floor in 2 seconds. Find the depth (in m) of theocean floor. 

What is the full form of GUI?

Which of the following bank has launched ‘Project Nishchay’ in partnership with the Boston Consulting Group (BCG) to accelerate its turnaround program and improve financial performance.

According to the 2016 Jane's Defence Budgets Report,India's position among the global defence spender is _____________.

Siderosis is a disease caused by the inhalation of

Electrons move around the nucleus in _______ motion.

____ is the most electropositive and ___ is the most electronegative element of the third period of modern periodic table.