Questions

Calculate the frequency (in Hz) of a sound wave of wavelength 5 m travelling with a speed of 360 m/s.

A person holding a pen in his left hand sees his reflection in the mirror holding the pen in his right hand. This is due to which of the following phenomena?

The weight of a boy on the surface of the moon is 300 N. The weight of the same boy on the surface of the earth will be

With whom did the Government of India sign a $ 120 million loan agreement to complete double-tracking and electrification of railway tracks along high-density corridors to improve the operational efficiency of India's railway network?

Three crops that contribute maximum to global food grain production are _________

In which industry Potassium Nitrate is used commercially?

In the following question, four words are given out of which one word is incorrectly spelt. Select the incorrectly spelt word.

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select ‘No Error’.

Karnataka receives most of its annual rainfall during the monsoon, (1)/ whereas Tamil Nadu does not get much then (2)/ and it has to wait still the advent of northeast monsoon. (3)/ No error (4)