The Doppler effect causes sounds moving toward an observer to sound _____. lower louder higher

Question

The Doppler effect causes sounds moving toward an observer to sound _____.

lower

louder

higher

softer

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Diễm Kiều 4 years 2021-08-03T01:11:06+00:00 2 Answers 16 views 0

Answers ( )

  1. thienhuong
    0
    2021-08-03T01:12:31+00:00
    Reply

    It makes them sound softer

  2. Ladonna
    0
    2021-08-03T01:12:40+00:00
    Reply

    Answer: softer

    The sound waves become weaker, so to an observer this wave is lighter sound.

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )