SI Units, Measurements & Scientific Instruments

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Q1.SI unit of length is:

A. Centimetre B. Metre C. Kilometre D. Mile

Q2.SI unit of mass is:

A. Gram B. Kilogram C. Pound D. Tonne

Q3.SI unit of time is:

A. Minute B. Hour C. Second D. Day

Q4.Thermometer measures:

A. Pressure B. Humidity C. Temperature D. Speed

Q5.Barometer measures:

A. Temperature B. Atmospheric pressure C. Humidity D. Altitude

Q6.Anemometer measures:

A. Temperature B. Humidity C. Wind speed D. Rainfall

Q7.Rain gauge measures:

A. Wind speed B. Humidity C. Rainfall D. Temperature

Q8.Seismograph measures:

A. Wind B. Earthquakes C. Temperature D. Pressure

Q9.The unit of electrical resistance is:

A. Volt B. Ampere C. Ohm D. Watt

Q10.One horsepower equals approximately:

A. 546 watts B. 646 watts C. 746 watts D. 846 watts

Q11.Light year is a unit of:

A. Time B. Speed C. Distance D. Brightness

Q12.The CGS unit of force is:

A. Newton B. Dyne C. Joule D. Watt

Q13.Sphygmomanometer measures:

A. Heart rate B. Blood pressure C. Blood sugar D. Lung capacity

Q14.Decibel is a unit of:

A. Light intensity B. Sound intensity C. Frequency D. Wavelength

Q15.Nautical mile is used to measure:

A. Land distance B. Sea/air distance C. Height D. Depth

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