Question

D. Match the statements given in column I with the appropriate words in column II.
Column I
Column II
1. Sound is produced when objects
Reflected
2. Sound can be
Vibrates
3. Echo is a type of
Hertz
4. Human ear can hear the sound waves of frequency Time period
5. Some animals can hear sounds of frequency
between 20-20,000 hertz
6. The frequency is the inverse of
higher than 20,000 hertz
7. The unit of frequency is
Reflected sound
| Define these terms:​

Answer 1

Answer:

pls write the complete ques.or just post a snap of your question.

1.Sound is produced when objects vibrates.

2.Sound can be reflected.

3.Echo is a type of reflected sound.

4.Human ear can hear sounds of frequency between 20-30,000 Hertz.

5.Some animals can hear sounds of frequency b

higher than 20,000 Hertz.

6.The frequency is the inverse of Time period.

7.The unit of frequency is Hertz.

btw..tried my best pls mark me as brainliest if u find it helpful

Answer 2

match the folowing answer Only

Explanation:

1) vibrates

2) reflected

3) reflected sound

4) between 20-29,000 hertz

5) higher than 20,000 hertz

6) time period

7) hertz

and 1ST one who gave answer it is wrong number 4 answer by typing mistake I thing so please check it