Measure the meniscus at eye level from the center of the meniscus. In the case of water and most liquids, the meniscus is concave. Mercury produces a convex meniscus.
2016-05-25T21:56:09-04:00. The main purpose of Gandhi's Quit India speech is to awaken and call for a united civil disobedience by the masses. This is in support for Gandhi's cause to break free from the British imperialism through a passive resistance of the people. This question is archived.
To ensure international peace and security.   The main purpose of the United Nations is to facilitate cooperation in international law, international security, economic de â¦ velopment, social progress, human rights and ultimately world peace.econd the United Nations is in a basic sense is a world government. It regulates the activity of the world's governments. That being said, the amount of power the UN can exert on a sovereign nation is basically up to that nation.