WAEC Physics questions: Temperature and its measurement

10 questions with answers and explanations. Tap an option to check yourself.

1. Question 1· Temperature and its measurement· WAEC

   A thermocouple thermometer is suitable for measuring

   • Aliquid density
   • Bbody temperature only
   • Croom temperature only
   • Dvery high and rapidly changing temperatures

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   Explanation and discussion

2. Question 2· Temperature and its measurement· WAEC

   Mercury is used in thermometers because it

   • Ais colourless
   • Bexpands uniformly and does not wet glass
   • Cfreezes at 0 °C
   • Dis a poor conductor of heat

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3. Question 3· Temperature and its measurement· WAEC

   Express 27 °C on the kelvin scale.

   • A246 K
   • B300 K
   • C27 K
   • D327 K

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   Explanation and discussion

4. Question 4· Temperature and its measurement· WAEC

   Convert 300 K to degrees Celsius.

   • A−27 °C
   • B573 °C
   • C27 °C
   • D300 °C

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   Explanation and discussion

5. Question 5· Temperature and its measurement· WAEC

   Mercury is used in thermometers mainly because it

   • Ais cheap
   • Bexpands evenly and does not wet glass
   • Cfreezes at 0 °C
   • Dis a poor conductor of heat

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   Explanation and discussion

6. Question 6· Temperature and its measurement· WAEC

   Six's maximum and minimum thermometer records

   • Atemperatures above 1,000 °C
   • Bbody temperature only
   • Cthe boiling point of liquids
   • Dthe highest and lowest temperatures over a period

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   Explanation and discussion

7. Question 7· Temperature and its measurement· WAEC

   The upper fixed point of the Celsius scale is the temperature of

   • Amelting ice
   • Bboiling sea water
   • Csteam from pure water boiling at standard pressure
   • Dthe human body

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8. Question 8· Temperature and its measurement· WAEC

   Convert 27 °C to kelvin.

   • A327 K
   • B246 K
   • C27 K
   • D300 K

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   Explanation and discussion

9. Question 9· Temperature and its measurement· WAEC

   A property used to measure temperature must

   • Abe magnetic
   • Bstay constant
   • Cdepend on mass only
   • Dvary continuously and measurably with temperature

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   Explanation and discussion

10. Question 10· Temperature and its measurement· WAEC

    Convert 104 °F to degrees Celsius.

    • A40 °C
    • B72 °C
    • C58 °C
    • D25 °C

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    Explanation and discussion