Because of what the cracking sound is heard when the dry hair is combed with a hard rubber comb?
A). hair is barging against the charged comb
B). Small electric sparks
C). the comb is rubbed with the hair
D). None of the above
Answer:B
Because of what the cracking sound is heard when the dry hair is combed with a hard rubber comb?
A). hair is barging against the charged comb B). Small electric sparks C). the comb is rubbed with the hair D). None of the above