Topic 1 Measurement Quiz

Ques : Which physical quantity is measured by a digital caliper?

• Length
• Weight
• Volume
• Temperature

Ques : What is the SI unit for electric current?

• Ampere (A)
• Meter (m)
• Kilogram (kg)
• Second (s)

Ques : Which of the following is the correct way to express 50000000000 seconds in SI units?

• 5 x 10^-10 s

• 5 x 10¹⁰ s

• 5 x 10^-5 s

• 5 x 10⁵ s

Ques : Which prefix represents the multiple 10⁶ in SI units?

• mega-
• kilo-
• giga-
• micro-

Ques : Which prefix represents the submultiple 10^-3 in SI units?

• kilo-
• mega-
• milli-
• micro-

Ques : Which type of error is introduced when the line of sight is not perpendicular to the metre rule?

• Random error
• Systematic error
• Parallax error
• Zero error

Ques : Which measuring instrument has a measuring range of 0-25 mm with a smallest division of 0.001 mm and is used to measure small objects?

• Metre rule
• Measuring tape
• Digital calipers
• Digital micrometer screw gauge

Ques : Which prefix represents the multiple 10⁹ in SI units?

• giga-
• mega-
• kilo-
• centi-

Ques : What is the smallest division of a metre rule?

• 0.1 cm
• 1 mm
• 0.001 cm
• 0.01 mm

Ques : Which instrument should be used to measure the length along a curved surface, such as a person’s waist or the diameter of a tree trunk?

• Metre rule
• Measuring tape
• Digital calipers
• Cloth measuring tape