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प्रश्न
A hand span is a reliable measure of length.
पर्याय
True
False
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उत्तर
A hand span is a reliable measure of length- False.
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संबंधित प्रश्न
Answer the following question.
Star A is farther than star B. Which star will have a large parallax angle?
Assertion (A): Distance between two celestial bodies is measured in terms of light year.
Reason (R): The distance travelled by the light in one year is one light year.
How many stamps are needed to cover the rectangle?
Can you think of how to cut a postcard so that you can pass through it?
There are two beautiful lakes near a village. People come for boating and picnics in both the lakes. The village Panchayat is worried that with the noise of the boats the birds will stop coming. The Panchayat wants motorboats in only one lake. The other lake will be saved for the birds to make their nests.
- How many cm is the length of the boundary of lake A in the drawing?(use thread to find out)
What unit will you use to measure the length of our classroom?
Larger unit for measuring time is ______.
Why is the speed of light used to define the metre?
The parallax method is used to measure astronomical distances because ______.
Which instruments are used to measure very small distances at the atomic scale?
