Mobile phone interfaces physics experiment- pre test

Which sensor in a smartphone is primarily used to measure linear acceleration?

• Gyroscope

• Magnetometer

• Accelerometer

• Barometer

What physical quantity does a magnetometer measure?

• Temperature

• Magnetic field strength

• Acceleration

• Sound intensity

Which app feature is typically used for graphing and analyzing data in smartphone-based physics experiments?

• Camera

• Graphing tools

• GPS

• Calendar

Which smartphone sensor would you use to measure changes in orientation or angular motion?

• Accelerometer

• Gyroscope

• Light sensor

• Proximity sensor

What does an accelerometer measure?

• Speed

• Magnetic field

• Light intensity

• Acceleration

For measuring the speed of sound using a smartphone, which sensor is most appropriate?

• Gyroscope

• Magnetometer

• Microphone

• Barometer

Which unit is used to express the magnetic field strength measured by a smartphone's magnetometer?

• Newton

• Tesla

• Joule

• Watt

What is the primary use of a light sensor in a smartphone?

• Measure sound intensity

• Measure light intensity

• Measure temperature

• Measure acceleration

Which sensor would you use in a smartphone to measure the Earth's gravitational pull in a pendulum experiment?

• Light sensor

• Gyroscope

• Accelerometer

• Proximity sensor

Which smartphone app feature allows for the collection of sound data for experiments?

• Camera

• Microphone

• Light sensor

• GPS