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प्रश्न
Fill in the blank.
There are ............. fundamental physical quantities.
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उत्तर
There are seven fundamental physical quantities.
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संबंधित प्रश्न
Fill in the blank
36 km h-1 = _______ ms-1.
Select the correct alternative
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Define one metre, the S.I. unit of length. State it's one multiple and one submultiple.
Convert the following quantity as indicated:
20 cm = m
State if the following statement is true or false:
The symbol used for a unit is always written in capital letters.
Give a reason for the following.
Measurements are very important for life.
Solve the following numerical problem.
Amit dipped a stone tied with a string in a measuring cylinder filled with water. If the initial level of water was 56 mL and after dipping the stone the final level of water was 78 mL, find the volume of the stone.
Your friend was absent from school yesterday. You are enquiring about his absence. He told that he had a fever and it was measured to be 100oC. Is it possible to have a 100oC fever? If he is wrong, try to make him understand.
Define mass Mention its unit.
What is the physical quantity? give example.
