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Mobile phone interfaces physics experiment- pre test

Total questions: 20

Worksheet time: 15mins

Name
Class
Date
1.

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

a)

Gyroscope

b)

Magnetometer

c)

Accelerometer

d)

Barometer

2.

What physical quantity does a magnetometer measure?

a)

Temperature

b)

Magnetic field strength

c)

Acceleration

d)

Sound intensity

3.

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

a)

Camera

b)

Graphing tools

c)

GPS

d)

Calendar

4.

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

a)

Accelerometer

b)

Gyroscope

c)

Light sensor

d)

Proximity sensor

5.

What does an accelerometer measure?

a)

Speed

b)

Magnetic field

c)

Light intensity

d)

Acceleration

6.

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

a)

Gyroscope

b)

Magnetometer

c)

Microphone

d)

Barometer

7.

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

a)

Newton

b)

Tesla

c)

Joule

d)

Watt

8.

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

a)

Measure sound intensity

b)

Measure light intensity

c)

Measure temperature

d)

Measure acceleration

9.

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

a)

Light sensor

b)

Gyroscope

c)

Accelerometer

d)

Proximity sensor

10.

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

a)

Camera

b)

Microphone

c)

Light sensor

d)

GPS

11.

The gyroscope in a smartphone can be used to measure angular velocity.​

a)
true
b)
false
12.

A smartphone's accelerometer can measure the force of gravity acting on an object.

a)

True

b)

False

13.

The light sensor in a smartphone is useful for experiments related to light intensity and its variations.

a)

True

b)

False

14.

The magnetometer in a smartphone can measure the temperature of an environment.

a)

True

b)

False

15.

Using a smartphone in physics experiments can enhance data accuracy compared to traditional methods.

a)

True

b)

False

16.

What is ExpEYES primarily used for?

a)

Word processing

b)

Internet browsing

c)

Physics experiments and data acquisition

d)

Photo editing

17.

Which of the following is a feature of ExpEYES?

a)

It can only measure temperature.

b)

It is used for high-end gaming.

c)

It can generate and measure electrical signals.

d)

It functions as a mobile phone.

18.

Which of the following can ExpEYES measure?

a)

Voltage

b)

Temperature

c)

Light intensity

d)

All of the above

19.

ExpEYES requires an internet connection to function.

a)

Teue

b)

False

20.

Data collected with ExpEYES can be visualized in real-time.

a)

True

b)

False