Aashi Asked a Question
January 18, 2021 9:22 ampts 30 pts
Two vehicles A and B are approaching an observer O at rest with equal speed as shown in the figure. Both vehicles have identical sirens blowing at a frequency 𝑓𝑠 . The observer hears these sirens at frequency 𝑓𝐴 and 𝑓𝐡, respectively from the two vehicles. Which one of the following is correct? (A) 𝑓𝐴 = 𝑓𝐡 < 𝑓𝑠 (B) 𝑓𝐴 = 𝑓𝐡 > 𝑓𝑠 (C) 𝑓𝐴 > 𝑓𝐡 > 𝑓𝑠 (D) 𝑓𝐴 < 𝑓𝐡 < 𝑓𝑠
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  • Aashi
    kindly help me with this
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  • Prashant kumar thankyou
    • cropped2034940374319512673.jpg
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    sir in ans key, the ans is (b)
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