Questions

The hardest natural substance is

The study of human evolution indicates that all of us belong to a single species that evolved in

An object of 5.0 kg is raised through a height of 2.0m. The work done in the process is

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

When the kerosene burned, the fuel in the tank below would be __________ pressure, and __________a small circular flame would appear in the burner.The valve had to be opened to let more kerosene vapour to the burner and pumping resumed. With the increase in pressure, the burner flame would spread _________ a loud noise. To lower the flame,the valve had to be _________ opened to reduce the pressure and then tightened until the desired flame size was achieved. _________ you wanted the flame to be bigger, you had to hit the piston again. Pump stoves are still in vogue.

below would be __________ pressure

Which Mughal Emperor was deported to Rangoon by the British?

If sin 30° + cos 45° = X, then the value of X.

Who among the following became the first tourist to space by spending $20 million for 8 days in orbit?

What is the upward force exerted by water called?