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Step by step text solution for What do you meant by a physical quantity? by PHYSICS experts to help you in doubts & scoring excellent marks in Class 11 exams.
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MBD-UNITS AND MEASUREMENTS-EXERCISE
- What do you meant by a physical quantity?
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- Define unit
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- Why length, mass and time are chosen as base quantities in mechanics?
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- Name the fundamental units of measurement.
02:40
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- Do all physical quantities have dimensions ? If no, name three physica...
01:13
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- Are the dimensions of coefficient of viscosity and coefficient of fric...
01:55
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- Does the ratio of same quantity depend upon system of unit used?
02:04
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- What are the advatages of S.I units?
02:06
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- What do you mean by the term measurement?
02:24
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- What are the uses of dimensional analysis?
01:54
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- What are order of magnitude? Give two examples.
01:50
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- Describe the method to measure the height of a big tree.
02:01
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- Underline the rules for significant figures.
03:04
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- Discuss in detail different types of errors arising in the measurement...
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- Show that errors combine in a similar way in addition and subtraction ...
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