Natural Sciences

Academic Disciplines > Natural Sciences

1. Which of the following is the SI base unit for thermodynamic temperature?

Kelvin

Celsius

Fahrenheit

Rankine

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2. Which derived SI unit represents force?

Newton

Joule

Pascal

Watt

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3. 1 inch is equivalent to how many centimeters?

2.54 cm

2.45 cm

2.75 cm

2.5 cm

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4. What is the formula for pressure in SI derived units?

Pa = N/m²

Pa = J/m²

Pa = W/s

Pa = kg·m²/s²

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5. Which type of error is caused by a consistent deviation due to a faulty instrument?

Systematic error

Random error

Gross error

Human error

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6. Which SI base unit measures electric current?

Ampere

Volt

Ohm

Coulomb

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7. Which derived SI unit is used to measure energy or work?

Joule

Watt

Newton

Pascal

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8. What is the SI base unit for luminous intensity?

Candela

Lux

Lumen

Nit

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9. How is Celsius converted to Kelvin?

K = °C + 273.15

K = °C - 273.15

K = (°C × 9/5) + 32

K = (°C × 5/9) + 32

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10. Which measurement system is still used in specific sciences and uses centimeters, grams, and seconds?

CGS

FPS

Imperial

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11. What does scientific notation express?

Very large or small numbers

Temperature only

Length measurements only

Pressure only

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12. Which type of error is caused by unpredictable fluctuations in measurements?

Random error

Systematic error

Gross error

Human error

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13. Which system of units is globally recognized and derived from the metric system?

SI (International System of Units)

CGS

FPS

Imperial

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14. Which SI derived unit is used to measure power?

Watt

Joule

Pascal

Newton

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15. How many meters are there in 1 kilometer?

1000 m

100 m

10,000 m

100 m²

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