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 : Curie point is the temperature at which 

Option 1: Matter becomes radioactive

Option 2: A metal loses magnetic properties

Option 3: A metal loses conductivity

Option 4: Transmutation of metal coures

Question : The metal cap of an electric cell is generally the ____________ terminal of the electrical cell.

Option 1: negative

Option 2: positive

Option 3: neutral

Option 4: devoid

Question : Directions: Select the correct option that indicates the arrangement of the given words in a logical and meaningful order.
1. Jewellery
2. Metal
3. Sell
4. Melt
5. Polish

Option 1: 2, 4, 5, 1, 3

Option 2: 2, 4, 1, 5, 3

Option 3: 1, 4, 2, 5, 3

Option 4: 1, 5, 3, 4, 2

Question : Which s-block element is a silvery-white metal used in an alloy with copper or nickel to make gyroscopes, springs, electrical contacts, spot-welding electrodes and non-sparking equipment?

Option 1: Beryllium

Option 2: Rubidium

Option 3: Francium

Option 4: Caesium