Two particles are executing SHM. Their displacements at any instant of time t are x=asin(ωt−ϕ) and y=bcos(ωt−ϕ). The phase difference between them will be:
A
0∘
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B
ϕ
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C
90∘
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D
180∘
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Solution
The correct option is C90∘ In the second term, it can be written as y=bsin(π2−(ωt−ϕ)). Comparing it with x=asin(ωt−ϕ), we see that phase difference is 90 deg. Hence, option C is correct.