Asked/Added Questions From NCERT:

Question 1. Asked on :25 September 2020:05:53:24 PM

Why do the hair of a shaving brush cling together when taking out of water? 

-Added by Shruti Srivastva Physics » Mechanical Properties Of Fluids

Answer by: Shruti Srivastva

Shruti Srivastva
When the brush is taken out of water, thin water film is formed at the tips of the hair. It contracts due to surface tension and so the hair cling together. 

-Answered by Shruti Srivastva On 25 September 2020:05:54:30 PM(20666Average Rating Based on rating)


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