Class 9 Exam > Class 9 Questions > Which of the following is not correct?a)SI un...
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Which of the following is not correct?
- a)SI unit of temperature is kelvin
- b)SI unit of pressure is Newton
- c)SI unit of density is kg/m3
- d)1 litre = 1000 cm3 - 1 dm3
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Which of the following is not correct?a)SI unit of temperature is kelv...
SI Units of Measurement
SI units are the International System of Units, which is the modern form of the metric system. It is used in scientific and technical fields as a standard system of measurement. The SI system has seven base units, which are used to derive all other units of measurement.
SI Units of Temperature, Pressure, Density and Volume
Temperature: The SI unit of temperature is Kelvin (K), not Celsius (°C).
Pressure: The SI unit of pressure is Pascal (Pa), not atm (atmosphere).
Density: The SI unit of density is kilograms per cubic meter (kg/m3).
Volume: The SI unit of volume is cubic meter (m3). However, liter (L) is also commonly used as a non-SI unit of volume. 1 L = 1000 cm3 = 1 dm3.
Conclusion
Option B is not correct because the SI unit of pressure is Pascal (Pa), not atm (atmosphere). Atm is a non-SI unit of pressure. Therefore, the correct answer is option B.
SI units are the International System of Units, which is the modern form of the metric system. It is used in scientific and technical fields as a standard system of measurement. The SI system has seven base units, which are used to derive all other units of measurement.
SI Units of Temperature, Pressure, Density and Volume
Temperature: The SI unit of temperature is Kelvin (K), not Celsius (°C).
Pressure: The SI unit of pressure is Pascal (Pa), not atm (atmosphere).
Density: The SI unit of density is kilograms per cubic meter (kg/m3).
Volume: The SI unit of volume is cubic meter (m3). However, liter (L) is also commonly used as a non-SI unit of volume. 1 L = 1000 cm3 = 1 dm3.
Conclusion
Option B is not correct because the SI unit of pressure is Pascal (Pa), not atm (atmosphere). Atm is a non-SI unit of pressure. Therefore, the correct answer is option B.
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Community Answer
Which of the following is not correct?a)SI unit of temperature is kelv...
Option b is correct because the SI unit of pressure is Pascal Or 1N/m^2.
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