Density
Authored by Mahmoud Elsaeed
Physics
KG - University
Used 5+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Two equal volumes of different materials are mixed together. If their densities are 2,500 kg/m3 and 5,500 kg/m3,then the average density of the mixture equals
4000 kg/m3
3000 kg/m3
3500 kg/m3
4250 kg/m3
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
two cylinders of different materials that have the same radius. If the mass of the first cylinder is double that of the second cylinder and the height of the first cylinder is half that of the second cylinder, then the ratio between their densities
𝜌1 /𝜌2
4
2
1/4
1/2
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A cube of volume 𝑉
is made of a material which has a density 𝜌
.If a smaller cube of volume
1/4 𝑉
is cut from the larger cube, calculate the ratio of the density of the smaller cube to the density of what remains of the larger cube.
1
4
1/4
1/3
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A cuboid made of iron has a width of 12 cm,a length of 10 cm,a mass of 0.5 kg,and a density of 7.9 g/cm3.What is its height?
0.2 cm
0.53 cm
0.3 cm
2 cm
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Two spheres have the same density, but the first sphere has a radius 10 times greater than that of the second. How much greater is the mass of the first sphere than that of the second sphere?
1000
100
10
1
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