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Quinine is used alone or with other medications to treat malaria. It is the bark of the cinchona tree.
A pond of water appears less deep due to –
Which metal is liquid at room temperature?
The absolute temperature of a body A is five times that of another body B. For two bodies, the difference in wave lengths at which energy radiated is ma...
Which of the following materials exhibits piezoelectric effect?
Planck’s constant has dimensions equivalent to which of the following?
What was invented by 'Zacharias Janssen'?
Two point charges +q and −q are separated by a distance 2a. The electric field at a point on the perpendicular bisector at distance r from center is p...
Which law explains the relation between pressure and volume of a gas at constant temperature?
What is the point called where the total mass of a body is considered to be concentrated?