NDA2013General AbilityGeneral ScienceActual
When long dry hair is brushed the strands often move away from each other because while brushing
Options
- Aair is being blown through the strands
- Bstatic electric charges are being induced on the hair
- Cmechanical energy is being transferred into heat energy
- Dthe gravitational attraction among the strands becomes smaller
Correct answer
B. static electric charges are being induced on the hair
Step-by-step solution
The correct answer is Option 'B'.