Questions

A Sonar of a ship sends sounds waves of speed 1500 m/s. These waves are reflected back by the ocean floor in 5 seconds. Find the depth (in m) of the ocean floor.

A body of mass 3 kg accelerates from 10 m/s to 20 m/s in 5 seconds due to the application of a force on it. Calculate the magnitude of this force (in N).

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 the four alternatives.

These terms imply two different distinct functions of the human mind. The active function _______________ the volitional, voluntary thinking. It is the conscious focusing of the mind _________ some mental problem. Banishing ________ the mind all thoughts and ideas _______ in harmony with your special subject of study implies Active Mentation. This function is used _________ the active, wide-awake man in his busy and energetic moments.

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

Heretic

In the following question, 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.

She did not ______ any profits from the investment.

Polio is caused by

Plant tissues are of how many types?

Which is the largest non-polar desert in the world?