12) Refractive index is highest for
Answer is:
Diamond
Related OFB Labour Group-C Question Paper - 2014 with Answer Key
Answer is:
Capillarity
Explanation:
Capillarity is defined as a phenomenon of rise or fall of a liquid surface in a small vertical tube held in a liquid relative to general level of the liquid.
Capillarity is due to Adhesion and cohesion forces of liquid.
Answer is: