Question : Supercooling is the cooling of liquid _________.

Option 1: below melting point

Option 2: below freezing point

Option 3: at melting point

Option 4: above melting point

Question : The nature of fuse wire is

Option 1: high resistance and low melting point.

Option 2: high resistance and high melting point.

Option 3: low resistance and high melting point.

Option 4: low resistance and low melting point.

Question : For photoelectric effect to take place, the metal used as the cathode should have_________

Option 1: high melting point

Option 2: low melting point

Option 3: low work function

Option 4: low resistance

Question : At hill stations, the boiling point of water will be:

Option 1: same as at sea level

Option 2: less than that at sea level

Option 3: more than that at sea level

Option 4: equal to the melting point of ice

Question : An emulsion is a colloid of a

Option 1: Gas in a liquid

Option 2: liquid in a liquid

Option 3:  liquid in a gas

Option 4: Gas in a solid