what are p and s waves, which one is faster why?
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What experience I have with lithography processes?
They asked me to calculate the height of the water bed, distance from the sound boom source, length of the sensor chain on the surface of the water, and the total length of the detector/sensor chain.
could you tell me about yourself
Why do you apply to the role?
We were asked to not provide specific details on the questions. I was asked 3 numerical aptitude questions and 2 personality based ones.
Probability and logic related questions
Interview 2, Q1: I can't give you the full question because it was based on a picture and some data. There was a picture that showed how they use sound waves to determine how far away something is, then they use that to recreate an image. I was asked to find several values based on the data presented. Make sure you know how to calculate distance from velocity and time, and also how sound bounces off of things.
Interview 2, Q2: The interviewer showed me what the autocorrelation of an array was, then asked me to compute the autocorrelation of [1, 2, 3, 4, 5]. He then asked me to compute the autocorrelation of an infinite array with entries populated by random real numbers from [-1, 1].
Explain a CGG technology or solution
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