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Question 1
Lactometers (used to determine the purity of a sample of milk) and hydrometers (used to determine the density of liquids) are based on the _______ principle.
Question 2
The weight of an object on the moon is equal to _______ of its weight on the earth.
Question 3
Twin paradox is associated with:
Question 4
At what temperature does iron melt?
Question 5
During the occurrence of thunder and lightning_______ .
Question 6
The process of transformation of a substance in a gaseous state into a liquid state due to change in pressure or temperature of the substance is called:
Question 7
What will happen if a glass bottle is completely filled with water, sealed with a lid and put into a freezer?
Question 8
Which of the following is the unit of Magnetic field strength?
Question 9
Identify the SI unit of electrical resistance.
Question 10
The sun heats the earth through________.
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Oct 15SSC & Railway