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What is meant by measurement? - Physics

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Question

What is meant by measurement?

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Solution 1

Measurement is the process of comparing a given physical quantity with a known standard quantity of the same nature.

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Solution 2

Measurement is an act or the result of comparison of a quantity whose magnitude is unknown with a predefined standard.

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Measurements
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Chapter 1: Measurements and Experimentation - Exercise 1 (A) [Page 9]

APPEARS IN

Selina Concise Physics [English] Class 9 ICSE
Chapter 1 Measurements and Experimentation
Exercise 1 (A) | Q 1 | Page 9
Frank Physics [English] Class 9 ICSE
Chapter 1 Measurement
Exercise 1 | Q 1 | Page 15

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Questions based on Higher Order Thinking Skills:

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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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  2. Find the ratio of volumes of spheres A and B.
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Now answer the following questions.

  1. Find the ratio of masses of spheres A and B.
  2. Find the ratio of volumes of spheres A and B.
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