Questions

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

If the angle of incidence formed on a concave mirror at a point is 30 deg then the angle of reflection will be

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

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

Select the word with the correct spelling.

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

Incentive