MEDIUM
8th ICSE
IMPORTANT
Earn 100

Why is a Plimsoll line a safety requirement for ships?

Important Questions on Physical Quantities and Measurement

MEDIUM
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 2 - Physical Quantities and Measurement>Exercises>Q F

Write the factors that determine whether a solid will float or sink in a liquid.

MEDIUM
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 2 - Physical Quantities and Measurement>Exercises>Q F

Explain how the density of a substance varies with change in temperature.

MEDIUM
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 2 - Physical Quantities and Measurement>Exercises>Q G

How can you determine the density of an irregular solid with the help of a measuring cylinder?

MEDIUM
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 2 - Physical Quantities and Measurement>Exercises>Q G

Explain why solids have greater densities than liquids and liquids have greater densities than gases.

MEDIUM
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 2 - Physical Quantities and Measurement>Exercises>Q G
How does the knowledge of relative density help in determining whether a substance floats or sinks in water?
MEDIUM
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 2 - Physical Quantities and Measurement>Exercises>Q G
What do you understand by convection currents?
HARD
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 2 - Physical Quantities and Measurement>Exercises>Q G

Explain the procedure to determine the density of an unknown liquid using a relative density bottle.

EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 2 - Physical Quantities and Measurement>Exercises>Q H
A piece of a solid has a mass of 10 g. When it is completely immersed in water, the water level rises by 5 mL. Determine the density of the solid.