Register

21. Which is NOT a mechanical wave? A. the light from a flashlight B. the sound heard from the cavity of a shell C, the echo produced when you shout in a hall D. the wave produc…

21. Which is NOT a mechanical wave? A. the light from a flashlight B. the sound heard from the cavity of a shell C, the echo produced when you shout in a hall D. the wave produc…
asked 118k views
2 votes
21. Which is NOT a mechanical wave?

A. the light from a flashlight
B. the sound heard from the cavity of a shell
C, the echo produced when you shout in a hall
D. the wave produced in a porcelain plate struck with a metal spoon​

asked
User Shaby
by
8.4k points

1 Answer

0 votes
I believe the answer is d
answered
User Chatu
by
8.2k points
← Prev Question Next Question →

Related questions

Ask a Question
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.

Categories

Other Questions

Why aren't all minerals gemstones?
What are three important types of forces
What is the phenotype of a heterozygous person using T for tall and t for short
Link Copied!