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PREMIERS PUBLISHERS-NATURE OF PHYSICAL WORLD AND MEASUREMENT-OTHER IMPORTANT QUESTIONS & ANSWERS (II. Very Short Answer Questions.)
- Where do we use indirect methods to measure distance ?
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- Name the method used in the determination of very large distances.
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- What do you understand by the term parallax angle ?
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- How many Astronomical units are there in one light year? Given Data:...
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- Define a Astronomical Unit.
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- What is parsec? (or) Define one parsec (parallactic second)
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- Define mass
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- Name the instrument to measure sub- atomic particles.
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- Define the SI unit of time. (or) What is one second in SI system of un...
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- List few instruments to measure time.
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- What is an error? Name the three Errors in Measurement.
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- What do you understand by term error in measurements ?
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- What is Absolute Error.
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- What is Mean Absolute error?
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- What is Relative error?
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- What is Percentage error?
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- What is significant figures?
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- What is menat by the dimensions of a physical quantity?
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- What is meant by dimensional formula ?
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- What is dimensiional equation? Given an example.
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