Questions

If speed of rotation of the earth increases, the weight of the body

If a ball is thrown up, which of the following does not change?

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. 

Resistance switching is normally employed in

__________ is the number of individuals of the population who left the habitat and gone elsewhere during the time period under consideration.

Select the word with the correct spelling.

In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.

Showing a lack of courage or confidence

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

Grumpy