JAMB and WAEC Physics questions: Measurements and units

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

1. Question 21· Measurements and units· WAEC

   The dimensions of velocity are

   • AMLT⁻¹
   • BLT⁻²
   • CLT⁻¹
   • DML⁻³

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   Explanation and discussion

2. Question 22· Measurements and units· WAEC

   The SI unit of thermodynamic temperature is the

   • Adegree Celsius
   • Bkelvin
   • Cdegree Fahrenheit
   • Djoule

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   Explanation and discussion

3. Question 23· Measurements and units· JAMB

   Which pair of quantities has the same dimensions?

   • Awork and the moment of a force
   • Bforce and pressure
   • Cpower and energy
   • Dvelocity and acceleration

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   Explanation and discussion

4. Question 24· Measurements and units· JAMB

   On a micrometer screw gauge, the sleeve reads 5.5 mm and the thimble reads 0.28 mm. What is the reading?

   • A5.78 mm
   • B5.28 mm
   • C8.30 mm
   • D5.53 mm

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5. Question 25· Measurements and units· WAEC

   What are the dimensions of momentum?

   • AML⁻¹T
   • BMLT⁻²
   • CML²T⁻¹
   • DMLT⁻¹

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   Explanation and discussion

6. Question 26· Measurements and units· WAEC

   The SI unit of electric charge is the

   • Acoulomb
   • Bampere
   • Cvolt
   • Dohm

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   Explanation and discussion