Which of the following is responsible for flipping the image when a smartphone is rotated?
A. Accelerometer
B. Shock sensor
C. Gyroscope
D. Ambient light sensor
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That’s wrong, correct answer is Accelerometer.
https://www.livescience.com/40102-accelerometers.html
An Accelerometer can measure linear acceleration relative to a frame of reference. This is used to sense the orientation of the phone. An accelerometer measures only the linear acceleration of the device whereas a gyroscope measures the orientation of the device.
Gyroscope is the correct answer.