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First 13 whole numbers = 0, 1, 2, …….., 24, 25 Average = (1st term + last term)/2 = (0 + 25)/2 = 12.5
Quantum Theory was discovered by
Who defined the law of gravitation?
The waves which are less than 20Hz are known as
Which state of matter has the highest intermolecular forces?
The splitting up of white light into seven colours on passing through a glass prism is called as
The apparatus used in the refrigeration is
Which of the following is a vector quantity?
The acceleration due to gravity ___________ with height
Among the following, which has the lowest density?
Which medium cannot propagate sound waves?
