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प्रश्न
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उत्तर
Measurement is an act or the result of a comparison of a quantity whose magnitude is unknown with a predefined standard.
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संबंधित प्रश्न
Complete the following: 1 light year =……….m
What is backlash error? Why is it caused? How is it avoided?
State four characteristics of a standard unit.
State the unit in which mass is measured in C.GS. system.
State the unit in which mass is measured in S.I. system.
State or define the following term:
Mean solar day
What are the two parts present in a 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.
Bholu and Golu are playing in the ground. They start running from the same point A in the ground and reach point B at the same time by following the paths marked 1 and 2 respectively as shown in the following figure. Which of the following is/are true for the given situation.

As compared to Golu, Bholu covers a

