TOPIC 1 : PHYSICAL QUANTITIES AND MEASUREMENTS

Physical quantities can divided into THREE (3) types.

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Which combination of base quantities and their units is incorrect?

• Length-meter

• Temperature - Fahrenheit

• Mass-kilogram

• Time-second

Which one is not derived quantities ?

• Acceleration

• Current

• Area

• Volume

Scalar Quantity is physical quantity which has .............

• Magnitude and direction

• Magnitude only

• Units only

• Speed only

Vector quantities is physical quantity which have.......................

• magnitude and direction

• Speed

• Magnitude only

• Units only

The accuracy of the VERNIER CALIPER is 0.01cm

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• NO ANSWER

The SI unit for time

• meter/second

• minutes

• second

• hour

The accuracy of MICROMETER SCREW GAUGE is 0.1mm

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Find the zero error for VERNIER CALIPER

• +0.00 cm

• -0.01 cm

• +0.01 cm

• -0.09 cm

Find the zero error for MICROMETER SCREW GAUGE

• +0.03 mm

• -0.03 cm

• +0.02 mm

• -0.08 mm