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
  • 1 Answer(s)
  • 0 Likes
  • 2 Comments
  • Shares
  • Aashi
    kindly help me with this
    Likes(0) Reply(0)
  • Prashant kumar thankyou
    Answer
    • cropped2034940374319512673.jpg
    Likes(0) Reply(2)
    Aashi
    sir in ans key, the ans is (b)
Head Office :
MPA 44, 2nd floor, Rangbari Main Road,
Mahaveer Nagar II, Kota (Raj.) – 324005

Corporate Office:
212, F-1, 2nd Floor, Evershine Tower,
Amrapali Marg,
Vaishali Nagar, Jaipur (Raj.) – 302021

Mail: info@eduncle.com
All Rights Reserved Β© Eduncle.com