Why does a piece of cloth, which appears green in sunlight, appear black when it is viewed under red light?
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For dilution of a concentrated acid, we should add:
Which of the following is a good source of Vitamin A?
Monetary policy refers to the actions the Federal Reserve takes to manage
The centre of the reflecting surface of a spherical mirror is called the
Definition of Force can be stated from:
___ is not related to gases.
A particle experiences constant acceleration for 20 s after starting from rest. If it travels a distance X1, in the first 10 s and distance X2 in the remaining 10 s, then which of the following is true?