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A diamond knife is quite often used for ...

A diamond knife is quite often used for cutting glass. Why ?

Text Solution

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Diamond is probably the hardest substance known. Therefore, a knife made from a special type of diamond is used for cutting glass.
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Knowledge Check

  • Artifical gem used for cutting glass is

    A
    Graphite
    B
    Diamond
    C
    SiC
    D
    `CaCN_(2)`

  • Polaroid sheets are often used for making sun glasses. This is because polaroid glass.

    A
    (a) cut off glare
    B
    (b) absorb more light than coloured glasses
    C
    (c) are light-weight
    D
    (d) remove the polarisation of direct sunlight

  • Which of the following is correct regarding diamond? (i) Diamond is covalent, yet it has high melting point. (ii) It used for cutting glass, making borers for rock drilling, and for making abrasives. (iii) It is used for making precious gems and jewellery. (iv) It is used for making fies for drawing this wires from metals.

    A
    (i), (ii)
    B
    (i), (ii), (iii)
    C
    (i), (ii), (iii), (iv)
    D
    (i), (iii), (iv)

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