NEETPhysicsMechanical Properties of Fluids
Match the column:- ( array |c|l|c|l| & Column 1 & & Column 2 (i) & For concave meniscus & (a) & angle of contact 90^ (iii) & For plane meniscus & (c) & angle of contact = 90^ array )
Options
- A(i) ( ) (c); (ii) ( ) (a); (iii) ( ) (b)
- B(i) ( ) (a); (ii) ( ) (b); (iii) ( ) (c)
- C(i) ( ) (a); (ii) ( ) (c); (iii) ( ) (b)
- D(i) ( ) (b); (ii) ( ) (a); (iii) ( ) (c)
Correct answer
A. (i) ( ) (c); (ii) ( ) (a); (iii) ( ) (b)
Step-by-step solution
1. Concave meniscus ( ) Happens when liquid wets the walls (like water in glass). ( ) Angle of contact ( 90^ ). ( ) So, (ii) ( ) (a). 3. Plane meniscus ( ) Neutral case. ( ) Angle of contact (=90^ ). ( ) So, (iii) ( ) (b).