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प्रश्न
Define a fundamental quantity.
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उत्तर
The physical quantities like mass, length and time which do not depend on each other are known as fundamental quantities.
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संबंधित प्रश्न
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?
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What do you mean by the term unit?
1 m = ______ cm.
Arrange the following in the increasing order of unit.
1 Metre, 1 centimetre, 1 kilometre, and 1 millimetre.
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?

Questions based on Higher Order Thinking Skills:
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There are three spheres A, B, C as shown below.
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Now answer the following questions.
i. Find the ratio of masses of spheres A and B.
ii. Find the ratio of volumes of spheres A and B.
iii. Find the ratio of masses of spheres A and C.

