Questions

A Sonar of a ship sends sounds waves of speed 1600 m/s. These waves are reflected back by the ocean floor in 4 seconds. Find the depth (in m) of the ocean floor.

Organisms that generate energy using light are known as ______.

The longest railway line in the world connects _________

________ is separated from India by a narrow channel of sea formed by Palk Strait and the Gulf of Mannar.

If the length of one side and the diagonal of a rectangle are 8 cm and 17 cm respectively, then find its perimeter

In the following questions, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.
Language, they say, is the _____ through which human beings perceive the world. If so, English is perhaps the most _____ lens through which to see animals. It has _____ a cross eyed view of birds, beasts, fish and fowl. The very word “animal” can _____ the brutish and the sensual. Animal _____ imply baseness and vulgarity.
Animal _____ imply baseness and vulgarity.

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

Extreme or indefinite to be adequately described.

Which formula correctly describes productivity?