Question

1. Which wave property is observed when a boy shouts and hears his siin voice inside the church A coholocation fraction 3. reflection D both reflection and refraction​

Answer 1

If a boy shouts and hears his voice inside the church then this property of wave is called reflection.

Explanation:

• The reflection of sound occurred when it hits a medium and then comes back.
• When sound waves hit flat and hard surfaces then it reflects back.  
• this property is called reflection.
• Due to this property of sound, we can hear our sound twice in a church or museum.
• This phenomenon is called echo.

Answer 2

Answer:

it's REFLECTION

Explanation:

BECAUSE WHEN A BOY SHOUTS AND HEARS HIS OWN VOICE IT'S CALLED "REFLECTION"