Questions

Electrons move around the nucleus in _______ motion.

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.

The color with the longest wavelength is

In which of the following States India's first Green Rail Corridor was recently launched

Comptroller and Auditor General of India is appointed for how many years?

The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the most logical order of sentences from among the options.

P: World War I began in 1914, after the assassination of Archduke Franz Ferdinand, and lasted until 1918.
Q: Thanks to new military technologies and the horrors of trench warfare, World War I saw unprecedented levels of carnage and destruction.
R: During the conflict, Germany, Austria-Hungary, Bulgaria and the Ottoman Empire (the Central Powers) fought against Great Britain, France, Russia, Italy,
Romania, Japan and the United States (the Allied Powers).
S: By the time the war was over and the Allied Powers claimed victory, more than 16 million people – soldiers and civilians alike – were dead.

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best
expresses the same sentence in Indirect/Direct speech.
He said, "I saw the movie yesterday."

Which method will be employed to test the hardness of water?