MEDIUM
8th ICSE
IMPORTANT
Earn 100

A block of copper of mass 200 g has a volume of 50 cm3. Find the density of copper.

Important Questions on Physical Quantities and Measurement

HARD
8th ICSE
IMPORTANT
New Trends in ICSE Physics 8>Chapter 2 - Physical Quantities and Measurement>EXERCISES>Q 2
A piece of plastic has a mass of 160 g and occupies a volume of 320 cm3. Find the density of wood in the cgs system. What will this value be in SI?
HARD
8th ICSE
IMPORTANT
New Trends in ICSE Physics 8>Chapter 2 - Physical Quantities and Measurement>EXERCISES>Q 3
A block of wood has dimensions 4 cm, 5 cm and 25 cm and a mass of 1.280 kg. Find its density in SI.
MEDIUM
8th ICSE
IMPORTANT
New Trends in ICSE Physics 8>Chapter 2 - Physical Quantities and Measurement>EXERCISES>Q 4
Calculate the volume of wood of mass 400 kg When the density of wood is 800 kg m-3.
HARD
8th ICSE
IMPORTANT
New Trends in ICSE Physics 8>Chapter 2 - Physical Quantities and Measurement>EXERCISES>Q 5
The Density of mercury is 13.6 g cm-3; find the mass of mercury in kilogram if it occupies a volume of 100 cm3.
HARD
8th ICSE
IMPORTANT
New Trends in ICSE Physics 8>Chapter 2 - Physical Quantities and Measurement>EXERCISES>Q 6
The density of gold is 19.3 g cm-3. What is the mass of a bar of gold in kilograms that measures 6 cm×4 cm×2 cm?
HARD
8th ICSE
IMPORTANT
New Trends in ICSE Physics 8>Chapter 2 - Physical Quantities and Measurement>EXERCISES>Q 7
You want to carry a boulder home from the beach. It is 30 cm On each side, and so has a volume of 27000 cm3. It is made of granite, which has a typical density of 2.8 g cm-3. How much mass this boulder has?
MEDIUM
8th ICSE
IMPORTANT
New Trends in ICSE Physics 8>Chapter 2 - Physical Quantities and Measurement>EXERCISES>Q 8
Rocks are sometimes used along coasts to prevent erosion. If a rock needs to weigh 2000 kg In order not to be shifted by waves, how big (what volume) does it need to be? You are using basalt, which has a typical density of 3200 kg m-3.
HARD
8th ICSE
IMPORTANT
New Trends in ICSE Physics 8>Chapter 2 - Physical Quantities and Measurement>EXERCISES>Q 9
A golden-coloured cube is handed to you. The person wants you to buy it for '1 lac, saying that is a gold nugget. You pull out your Chemistry textbook and look up gold in the mineral table and read that its density is 19.3 g cm-3. You measure the cube and find that it is 2 cm on each side and weighs 40 g. What is Its density? Is it gold? Should you buy it?