Ingia
JAMB - Physics (2011 - No. 14)
Which of the following types of waves needs a medium for propagation?
sound waves
light waves
radio waves
x - rays
Maelezo
Sound is the only mechanical wave among the rest which are electromagnetic waves.
Maoni (0)
Ingia Ili Kutoa Maoni
Tangazo
Ruhusu javascript kupakia vizuri ukurasa huu
