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 How did ancient people who built sundials know that it was noon based on the sun's location?

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Important Questions on Motion and Time

MEDIUM
Science>Physics>Motion and Time>Measuring Time

Which of the following statements is/are correct concerning Time Zone in India?

1. There is one standard time for the whole country.
2. Andaman and Nicobar Islands and Lakshadweep Islands have different Time Zones.
3. Indian Standard Time (IST) is five and a half hours behind GMT.

Select the correct answer using the code given below :

EASY
Science>Physics>Motion and Time>Measuring Time
Which of the following is not a unit of time?
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Science>Physics>Motion and Time>Measuring Time

Choose the odd one out giving reason.

 

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Science>Physics>Motion and Time>Measuring Time

How will you measure the side of a carrom board?

Question Image

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Science>Physics>Motion and Time>Measuring Time
Why cannot a foot length or cubit be used as a standard unit of length?
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Science>Physics>Motion and Time>Measuring Time

Body parts give the same measurement when measured by different people.

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Science>Physics>Motion and Time>Measuring Time
Name any two measures used in ancient times.
MEDIUM
Science>Physics>Motion and Time>Measuring Time
Name the non-standard units of measurement that were used by people in earlier times. Why do you think these units are not used these days?
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Science>Physics>Motion and Time>Measuring Time
The hand span is a reliable method of measurement of length.
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Science>Physics>Motion and Time>Measuring Time
Name two body parts of a person which can be used as units of measuring length.
MEDIUM
Science>Physics>Motion and Time>Measuring Time
What did people in ancient times use to measure length?
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Science>Physics>Motion and Time>Measuring Time
Explain why, hand-span cannot be used as a standard unit of length.
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Science>Physics>Motion and Time>Measuring Time
How was time calculated in earlier days? What does a calendar tell us?
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Science>Physics>Motion and Time>Measuring Time
Why did people in ancient times realise the need for some fixed quantity of measurement?
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Science>Physics>Motion and Time>Measuring Time
Why cannot we use the handspan to measure the length of any object?
MEDIUM
Science>Physics>Motion and Time>Measuring Time
Elaborate the ways in which people in ancient times used to measure length. Also mention the importance or need of accurate measurement.
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Science>Physics>Motion and Time>Measuring Time
Why a foot-step cannot be used as a standard unit of length?
MEDIUM
Science>Physics>Motion and Time>Measuring Time
How did people measure the length and weight of things in olden days?
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Science>Physics>Motion and Time>Measuring Time
Cotyledons are also called-
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Science>Physics>Motion and Time>Measuring Time
Discuss why non-standard units cannot be used for accurate measurements.