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SSC Sample Paper SSC-CGL TIER - I Sample Test Paper-5

  • question_answer
    Which type of glass is used for making 'optical glass'?                 

    A) Soda glass                    

    B) Flint glass

    C) Ground glass     

    D) Quartz

    Correct Answer: B

    Solution :

    Flint glass is used for making Optical glass. Potassium and Lead Silicates are used in making Optical glass.


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