General Knowledge - Physics - Discussion
Discussion Forum : Physics - Section 1 (Q.No. 31)
31.
On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because
Discussion:
11 comments Page 1 of 2.
Naina said:
1 decade ago
Cohesion of mercury means ?
Pradeebha.t said:
1 decade ago
Cohesion is nothing but attraction between two atoms.
Surya.D said:
1 decade ago
C is the correct choice because attractions between the atoms of mercury is very much greater than the stickiness towards glass.
Bhavy said:
1 decade ago
Cohesive or cohesion means, the force acted beweem two substance is same whereas adhesive is the force acting between different atoms.
Superteek said:
1 decade ago
Cohesion means the tendency of identical particles to cling with each other and adhesion means the tendency of clinging of two dissimilar substance.
Kariya said:
1 decade ago
But the density of the water is less than Hg.
Rahul kr said:
1 decade ago
Can anybody let me know the exact difference between cohesion and adhesion.
Satheesh said:
1 decade ago
Cohesion means attraction of similar substances, where adhesion means attraction of dissimilar substances like water and glass tube.
Sasi sri said:
1 decade ago
Cohesion is the property of like molecules (of the same substance) to stick to each other due to mutual attraction. Adhesion is the property of different molecules or surfaces to cling to each other.
Rashika said:
9 years ago
What is meant by adhesion & cohesion?
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