Which among the following is the largest source of irrigation in India, apart from rains?
The correct answer is A
The splitting up of white light into seven colours on passing through a glass prism is called as
Foucault Experiment is the proof of
Twinkling of the Stars is due to the phenomenon of
A ship will submerge when it displaces water equal to its
Which of the following dyes is used for colouring Paper and typewriters?
Which of the following occurs in a positively charged body ------------.
In the atmosphere ultraviolet rays are absorbed by –
The SI unit of Pressure is
Which compound is used to prepare water proof clothes?
A rear-view mirror for driving is –