Civil Engineering - Elements of Remote Sensing - Discussion

Discussion Forum : Elements of Remote Sensing - Section 1 (Q.No. 30)
Pick up the correct statement from the following:
Phase of a wave is expressed as a fraction of a period with respect to a refrence
Phase is usually specified by angular measure with one period being 360°
The reference for finding the phase of a wave is taken from the previous passage through zero from the negative to the positive direction.
All of these
Answer: Option
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