. Fill in the blanks1. Th2. The distance travelled by a wave in one se

1.	. Fill in the blanks1. Th2. The distance travelled by a wave in one second is called3. The order of the speed of sound is4.e distance between two adjacent crests (or troughs) of a wave is called itsunidpess ef sound is measured inEDMI NOTEhMDCAMERistance between an observer and the obstacle for hearing an echo (at 20Â°C) is
Answer» 1)The horizontaldistance between two adjacent crestsor troughs is known as the wavelength. 2) frequency 3)3×10^84)decibel5) 17.2 m

. Fill in the blanks1. Th2. The distance travelled by a wave in one second is called3. The order of the speed of sound is4.e distance between two adjacent crests (or troughs) of a wave is called itsunidpess ef sound is measured inEDMI NOTEhMDCAMERistance between an observer and the obstacle for hearing an echo (at 20Â°C) is

Answer»

1)The horizontaldistance between two adjacent crestsor troughs is known as the wavelength.

2) frequency

3)3×10^84)decibel5) 17.2 m