Unit and Measurement

The fundamental quantity of length can be derived into ...

• volume and power

• volume and electric current

• area and volume

• area and voltage

• height and speed

The correct unit of some of the following quantities is...

• Mass

  Unit: Newton

• Weight

  Unit: Kilogram

• Density

  Unit: Newton/m^2

• Pressure

  Unit: Pascal

• Work

  Unit: Joule/S

Some pairs of quantities have the same dimensions, namely: 1. Mass and weight 2. Momentum and impulse 3. Force and weight 4. Work and power The correct statement is..

• Mass and Weight

• Momentum and Impulse

• Force and Weight

• Work and Power

• Distance and Time

Which of the following tools are included in precision measuring instruments?

• vernier caliper

• micrometer caliper

• bent caliper

• measuring tape

• orleon caliper

The tool above is called

• micrometer

• caliper

• dial indicator

• steel ruler

• sliding caliper

Observe the following image! The change of energy form changes when the tool is used is ....

• electric energy to chemical energy

• chemical energy to electric energy

• electric energy to kinetic energy

• electric energy to heat energy

• Mechanical energy to electric energy

Observe the image above!

From the image above, which devices experience a change from electrical energy to heat energy?

• 1 and 2

• 1 and 4

• 3 and 4

• 2 and 3

• 1 and 3

Observe the image above!

The correct sequence of energy changes when the tool in the image is used is ....

• chemical energy -> kinetic energy -> light energy

• electric energy -> chemical energy -> light energy

• electric energy -> chemical energy -> light energy

• chemical energy -> electric energy -> light energy

• chemical energy -> mechanical energy -> light energy

Mention the tools that, when used, have the same energy change....

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Among the following groups of quantities, which one is included in the fundamental quantity group in the International System?

• Electric current, light intensity, temperature, time

• Electric current, length, time, and mass density

• Length, area, time, and amount of substance

• Temperature, volume, mass density, and electric current

• Light intensity, speed, acceleration, time