Questions

Which of the following is NOT an effect of Noise Pollution?

India has designed and developed pilotless target aircrafts named ___ and made successful test flight of its unmanned air vehicle (UAV).

1. Nishant

2. Lakshya

3. Astra

Two particles with charges q1 and q2 are kept at a certain distance to exert force F on each other. If the distance is reduced to one-fifth, then the force between them is

Vistara airline is a joint venture between Tata Sons and which international airlines?

In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word.   

Snaky

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.

was achieved. _________ you wanted the flame

Which of the following is usually not an air­pollutant?

Which of the following is used in the preparation of tincture iodine, cough syrup and many tonics?