John is listening to a horn. He knows the frequency of the horn is 300 Hz when b

Question

John is listening to a horn. He knows the frequency of the horn is 300 Hz when both he and the horn are at rest. If he hears a pitch of 330 Hz, there are clearly several possibilities.

Both could be moving and have the same speed.

The distance between John and the horn could be increasing with time.

John could be moving towards the horn which is at rest. Both cannot be moving in the same direction.

Both could be moving and have different speeds.

Both could be moving, in opposite directions.

OPTIONS ARE TRUE OR FALSE

Explanation / Answer

here,

as the pitch heared by the John is greater than the frequency of the horn

the relative motion of John should be such that John move closer to the Horn

therefore,

the correct option is "John could be moving towards the horn which is at rest. Both cannot be moving in the same direction."

Related Questions

Navigate

• Browse (All)
• Browse J
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.