Which of the following is not true for glass scales? – McqOptions

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1.	Which of the following is not true for glass scales?
A.	Graduations can be produced by depositing material
B.	Easily polished
C.	Able to work in case of reflected light but not in transmitting light
D.	Ordinary glass has 15-30% less thermal coefficient of expansion than steel
Answer» D. Ordinary glass has 15-30% less thermal coefficient of expansion than steel

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