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NEET
Exam
NEET
Subject
Physics
Chapter
Waves and Sound

NEET · Physics · Waves and Sound

A train is moving towards a stationary observer. Which of the...

A train is moving towards a stationary observer. Which of the following curve best represents, the frequency received by observer ff as a function of time?A train is moving towards a stationary observer. Which of the following curve best represents, the frequency receivedA train is moving towards a stationary observer. Which of the following curve best represents, the frequency receivedA train is moving towards a stationary observer. Which of the following curve best represents, the frequency receivedA train is moving towards a stationary observer. Which of the following curve best represents, the frequency received

Options

  1. AWhich floral family has (9) +1 arrangement of anthers in the androecium ?
  2. BWhich floral family has (9) +1 arrangement of anthers in the androecium ?
  3. CWhich floral family has (9) +1 arrangement of anthers in the androecium ?
  4. DWhich floral family has (9) +1 arrangement of anthers in the androecium ?

Correct answer

B. Which floral family has (9) +1 arrangement of anthers in the androecium ?

Step-by-step solution

While approaching f>f0f>f_0 but f=f= constant. While receding (\quad f < f_0) but f=f= constant.
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