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....

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