DP HEAD CONSTABLE AWO/TPO (GENERAL SCIENCE) QUIZ

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Question 1:

For which of the following purposes ultrasonic waves are not used?

Question 2:

A mixture of biogas contains-

Question 3:

A curved surface of a shining spoon can generally be considered as a-

Question 4:

The process by which a substance absorbs moisture upon exposure to the atmosphere is called:

Question 5:

Which of the these physical quantities is a vector quantity?