Glass used in making lenses and prisms

Question 129 The type of glass used in making of lenses and prisms is?
A. Flint glass
B. Pyrex glass
C. Soft glass
Answer: Flint glass

Question 130 Consider the following statements:
A. Jivaka was personal physician of Buddha
B. Jivaka studied Ayurveda in takshashila university.
1. Both are correct.
2. Only A is correct.
3. Only B is correct.
Answer: Both are correct.

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