Questions

‘SAMPRITI-2017’ is a joint militaiy exercise between armed forces of India and

Orbital period of Halley's comet is ___ years.

Glaciers are formed by

The ____ of a substance is defined as the mass per unit volume.

An object weighing 20 kg is raised through a height of 2 m. What will be the work done by the force of gravity in this process?

Two identical resistors of 20 ohm each are connected in parallel. This combination, in turn, is connected to a 10 ohm resister. The equivalent resistance of the combination will be

Which of the following is one of the saltiest lakes in the world?

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 thefour 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 tobe 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. Tolower the flame, the valve had to be _________ opened to reduce the pressure and then tightened until the desired flame size was achieved. _________ you wanted theflame to be bigger, you had to hit the piston again. Pump stoves are still in vogue.

and __________ a small circular flame