Scientific units named after people
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Scientific Units Named After People — Daily trivia Wednesday, August 5, 2026: questions and answers
All 10 questions with answers and explanations. Play this daily
Q 01What SI unit, fundamental to electricity, quantifies the flow rate of electric charge?
- AWatt
- BJoule
- COhm
- DAmpere
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Ampere
The ampere is named after André-Marie Ampère, a French physicist and mathematician who was a founder of the science of electromagnetism. It is the SI base unit of electric current.
Q 02Which SI unit is used to measure electric potential difference or electromotive force?
- AJoule
- BVolt
- CFarad
- DWatt
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Volt
The volt is named in honor of Alessandro Volta, an Italian physicist who invented the voltaic pile, considered the first electrical battery.
Q 03What SI unit quantifies electrical resistance in a circuit?
- ASiemens
- BOhm
- CFarad
- DTesla
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Ohm
The ohm is named after Georg Simon Ohm, a German physicist who established the relationship between voltage, current, and resistance, known as Ohm's Law.
Q 04What SI unit measures frequency, representing cycles per second?
- AHertz
- BDecibel
- CLumen
- DCandela
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Hertz
The hertz is named after Heinrich Rudolf Hertz, a German physicist who proved the existence of electromagnetic waves.
Q 05Which SI derived unit is used to measure pressure or stress?
- APascal
- BBar
- CTorr
- DPsi
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Pascal
The pascal is named after Blaise Pascal, a French mathematician, physicist, and inventor known for his work on fluids and pressure.
Q 06What SI derived unit quantifies electric charge?
- AFaraday
- BAmpere-hour
- CCoulomb
- DFranklin
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Coulomb
The coulomb is named after Charles-Augustin de Coulomb, a French physicist who formulated Coulomb's Law, describing the force between electric charges.
Q 07What SI derived unit is used to measure magnetic flux?
- ATesla
- BWeber
- CMaxwell
- DGauss
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Weber
The weber is named after Wilhelm Eduard Weber, a German physicist who, with Carl Friedrich Gauss, developed a system of absolute units for magnetism.
Q 08Which SI unit measures electrical inductance?
- ASiemens
- BFarad
- CHenry
- DTesla
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Henry
The henry is named after Joseph Henry, an American scientist who discovered the phenomenon of self-inductance independently of Michael Faraday.
Q 09What SI unit measures the absorbed dose of ionizing radiation, energy deposited per unit mass?
- ABecquerel
- BRad
- CRoentgen
- DGray
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Gray
The gray is named after Louis Harold Gray, a British physicist who made significant contributions to the measurement of radiation dose and its biological effects.
Q 10Which SI unit quantifies the equivalent dose of ionizing radiation, accounting for biological effects?
- ASievert
- BRem
- CCurie
- DBecquerel
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Sievert
The sievert is named after Rolf Sievert, a Swedish medical physicist known for his work on radiation dosimetry and protection.
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