General Science » Exercise – 1
138. The type of glass used in making lenses and prisms is
(a) jena glass
(b) soft glass
(c) pyrex glass
(d) flint glass
| Subject Name : General Science |
| Exam Name : UPSC, SSC, KVS, NVS, IBPS, RBI, SBI, RRB |
| Posts Name : Technical Assistant, Junior Scientist, Post Graduate Teacher, College Lecturer |
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