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What is the basic principle under which MEMS gyro work?

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What is the basic principle under which MEMS gyro work?

(a) Sagnag effect

(b) Coriolis effect

(c) Angular momentum conservation

(d) Mass conservation

The question was posed to me in an online interview.

I want to ask this question from Gyroscopes topic in chapter Satellite Radio Navigation  & Inertial Navigation of Avionics

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Correct answer is (b) Coriolis effect

Best explanation: MEMS Micro Electro Mechanical System gyro exploit the effects of Coriolis force. Coriolis force is experienced when a vibrating mass is subjected to a rate of rotation about an axis in the plane of vibration.

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