Asked/Added Questions From NCERT:

Question 1. Asked on :25 September 2020:06:14:05 PM

A oil drop on a hot cup of soup spreads over when the temperature of the soup alls. Why?

-Added by Shruti Srivastva Physics » Mechanical Properties Of Fluids

Answer by: nisha sheikh

nisha sheikh
The surface tension of oil is more than that of hor soup. Due to it, an oil drop does not spread over the hot soup. When the temperature of the soup falls, the surface tension of oil becomes less than that of soup. Due to it, the oil drop starts spreading on the soup.

-Answered by nisha sheikh On 21 October 2020:06:53:13 PM(21023Average Rating Based on rating)


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