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प्रश्न
Define mass.
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उत्तर १
The quantity of matter contained in a body is known as its mass.
उत्तर २
Mass is the measure of the amount of matter in an object.
संबंधित प्रश्न
How is nanometer related to Angstrom?
Complete the following: 1 light year =……….m
Complete the following: 1 µs =……….s
Complete the following: 1 year =……….s.
State four characteristics of a standard unit.
State or define the following term:
An hour
What do you understand by the term order of magnitude of a quantity?
Express the order of magnitude of the following quantity:
0.000,000,127 s
Amongst the various physical measurements recorded in an experiment, which physical measurement determines the degree of accuracy?
What do you understand by the term volume of substance?
What do you mean by the term unit?
Explain the term pitch. How are they determined?
Show how will you use the physical balance to measure the mass of an object.
5 km = ______ m.
Complete the analogy.
Sugar : Beam balance :: Lime juice : ______?
Cross word puzzle.
Clues – Across
- SI unit of temperature;
- A derived quantity;
- Mass per unit volume;
- Maximum volume of liquid a container can hold
Clues – Down
- A derived quantity
- SI unit of volume
- A liquid denser than iron
- A unit of length used to measure very long distances
What are the features that we must give importance in measuring?
The melting point of pure ice (0° C) is taken as ______ fixed point.
Questions based on Higher Order Thinking Skills:
There are three spheres A, B, and C as shown below.
Sphere A and B are made of same material. Sphere C is made of a different material. Spheres A and C have equal radii. The radius of sphere B is half that of A. The density of A is double that of C.
Now answer the following questions.
- Find the ratio of masses of spheres A and B.
- Find the ratio of volumes of spheres A and B.
- Find the ratio of masses of spheres A and C.
