Questions

Sextant is an instrument used in which of the following ?

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.

To hear a distinct echo the time interval between the original sound and the reflected sound must be at least

The largest irrigation canal in India is _____________

Malthusian theory is associated with which of the following ?

How many members of upper house (Rajya Sabha) can be nominated by President of India?

The space shuttle which took Sunita Williams beyond earth was

Select the word with the correct spelling.