Physics
When two ice cubes are pressed together, they join to form one cube. Which one of the following helps to hold them together?

Covalent attraction
Vander waals forces
Hydrogen bond formation
Dipole interaction

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Physics
Rainbows are produced when sunlight :

Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction
Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction and internal reflection.
None of the given statements is correct.
Incident on raindrops hanging in the atmosphere is dispresed after suffering reflection.

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