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7 Questions related to Mass, Volume, Density, Vernier

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Q1) A pile of 500 sheets of paper has a mass of 2 kg. The pile is 300mm long, 200mm wide and 50 mm thick. Calculate
a) the thickness of the sheet
b) the mass of one sheet.
c) The volume of the pile
d) The density of the paper
e) The mass of a one square metre sheet of this paper.

Q2) A plastic bag filled with air has a volume of 0.008m3. When the air in the bag is squeezed into the rigid container, the mass of the container (with air) increases from 0.02 to 0.03kg . Calculate the density of the air in the bag.

Q3) The density of air is 1.3 Kg/m3 . Calculate the loss in the mass of a 5 litre flask when the air inside the is removed by a vacuum pump.( 1 litre = 1000 cm3 or 1.0 X 10-3 m3)

Q4) How many ml are there in 1 m3?

Q5) How many cm3 are there in 1 m3?

Q6) density of following substances in g/cm3.

Copper 8.9
Iron 7.9
Kerosene 0.87
Mercury 13.6
Water 1.0

1cm3 of mercury has a greater mass than 1 cm3 of any other substance in this table
- True or False

1cm3 of water has a smaller mass than 1 cm3 of any other substance in this table
- True or False

1g of iron has a smaller volume than 1g of copper.
- True or false

1g of mercury has a greater mass than 1g of copper.
- true or false

Q7) Explain hoe to take readings with vernier caliper if both the scales are in millimeters.

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Simple question on mass volume density and Vernier calipers.

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