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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
A solid silver piece is immersed in water contained in a measuring cylinder. The level of water rises from 50 ml to 62 ml. Find the volume of silver piece.
A piece of brass of volume 30 cm3 has a mass of 252 g. Find the density of brass in (i) g cm-3, (ii) kg m-3.
A car travels a distance of 15 km in 20 minute. Find the speed of the car in km h-1.
Fill in the blank:
1 metric tonne = .............
Convert the following quantity as indicated:
2500 g = …....... kg
Convert the following quantity as indicated:
0.01 kg = ………. g
Name two devices used to measure the short time interval of an event.
Answer the following in detail.
State some common rules to write SI units correctly.
Solve the following numerical problem.
Express 8000 g in kg?
What do you mean by ‘unit’?
