Measurement of Physical Quantities

What are the commonly used units for measuring length?

Evaluate responses using AI:

OFF

Which method is used for measuring large irregular solids?

Evaluate responses using AI:

OFF

What is the basis for clocks and digital timers?

• Quartz crystals

• Sand

• Water

• Pendulum

Scalar quantities have only ________.

Vector quantities have both magnitude and ________.

• direction

• speed

• mass

• temperature

Which of the following is a scalar quantity?

• Acceleration

• Temperature

• Force

• Velocity

What is the unit of frequency?

• Hertz

• Newton

• Joule

• Pascal

Which of the following devices uses a pendulum?

• Stopwatch

• Quartz watch

• Grandfather clock

• Digital clock

What is the unit of force?

• Watt

• Joule

• Newton

• Pascal

Which of the following is a vector quantity?

• Displacement

• Mass

• Speed

• Temperature