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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
Define Standard metre.
Name two units of length which are bigger than a metre. How are they related of the metre?
Complete the following: 1 g =………kg
Complete the following : 1 a.m.u (or u) =……..kg
Name the physical quantities which are measured in the given units:-
ly
Name the physical quantities which are measured in the given units:
nm
A boy measures the length of a pencil and expresses it to be 2.6 cm. what is the accuracy of his measurement? Can he write it as 2.60 cm?
Name three systems of unit and state various fundamental units in them.
What are the fundamental units in SI system? Name them along with their symbols.
Complete the rollowing:
1 micron= ____ Å
State two units of mass smaller than a kilogram?
5 km = ______ m.
What are the rules to be followed to make accurate measurement with scale?
______ is the process of finding an unknown physical quantity by using a standard quantity.
Figure shows a measuring scale which is usually supplied with a geometry box. Which of the following distance cannot be measured with this scale by using it only once?
Define measurement.
Questions based on Higher Order Thinking Skills:
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There are three spheres A, B, 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. Density of A is double that of C.
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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.
Define measurement.
