Natural Sciences

Academic Disciplines > Natural Sciences

16. Which SI derived unit is used to measure acceleration?

m/s²

m/s

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17. 1 pound (lb) is equivalent to how many kilograms?

0.4536 kg

0.504 kg

0.356 kg

1.4536 kg

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18. Which derived SI unit measures area?

Square metre (m²)

Cubic metre (m³)

Newton (N)

Pascal (Pa)

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19. What is the formula for converting Fahrenheit to Celsius?

°C = (°F - 32) × 5/9

°C = (°F + 32) × 5/9

°C = (°F × 9/5) + 32

°C = °F - 273.15

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20. Which measurement system uses feet, pounds, and seconds?

FPS (Foot–Pound–Second)

CGS

Imperial-Metric Hybrid

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21. Which SI derived unit is used to measure force?

Newton

Joule

Pascal

Watt

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22. 1 inch equals how many centimeters?

2.54 cm

3.14 cm

1.54 cm

5.04 cm

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23. What is the SI base unit of thermodynamic temperature?

Kelvin

Celsius

Fahrenheit

Joule

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24. Which SI derived unit is used to measure pressure?

Pascal

Newton

Watt

Joule

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25. 1 g equals how many milligrams?

1000 mg

100 mg

10 mg

500 mg

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26. Which type of error is caused by human mistakes during measurement?

Gross error

Systematic error

Random error

Instrumental error

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27. Which type of error shows unpredictable fluctuations in measurements?

Random error

Systematic error

Gross error

Calibration error

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28. Scientific notation is mainly used to express which type of numbers?

Very large or very small numbers

Prime numbers

Even numbers

Odd numbers

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29. How many grams are there in 1 kilogram?

100 g

1000 g

10 g

500 g

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30. How many milligrams are there in 1 gram?

100 mg

1000 mg

10 mg

500 mg

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