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Q1. The unit of power is defined as: (2023)
Solution:
Power is defined as Joule per second (Watt).
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Q2. The unit of force in the SI system is derived from which of the following? (2023)
Solution:
The unit of force (Newton) is derived from mass, length, and time: kg·m/s².
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Q3. Which of the following quantities has the dimension [M^0 L^0 T^1]? (2022)
Solution:
Time has the dimension [M^0 L^0 T^1].
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Q4. What is the unit of pressure in SI units? (2023)
Solution:
The SI unit of pressure is Pascal (Pa), which is equivalent to N/m².
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Q5. Which of the following is the correct dimension for pressure? (2021)
Solution:
Pressure is defined as force per unit area, hence its dimension is M^1L^-1T^-2.
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Q6. The unit of force in the SI system is: (2023)
Solution:
The SI unit of force is the Newton (N).
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Q7. The unit of work is defined as one joule. What is one joule equivalent to? (2023)
Solution:
One joule is defined as one newton meter (N·m).
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Q8. The unit 'Joule' is a measure of which of the following? (2023)
Solution:
Joule is the SI unit of energy, which is also equivalent to work done.
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Q9. Which of the following is the correct unit for measuring pressure? (2020)
Solution:
The SI unit for measuring pressure is Pascal (Pa).
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Q10. What is the dimension of force? (2019)
Solution:
The dimension of force is M^1L^1T^-2.
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