The type of glass used in making lenses and prisms is

1 Soft glass

2 Pyrex glass

3 Jena glass

4 Flint glass

Answer Posted / shanjoy

2 pyrex glass

Is This Answer Correct ?    12 Yes 12 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Which are the wings of sri harikotah range ( shar )?

636


What is the capacity of arihant’s atomic reactor?

607


Which is the largest refractor telescope?

657


When was the first rocket launched from thumba?

625


On what basis Friability limit NMT 1.0%w/w is recommended. what is impact on formulation if this limit exceeds.

1510






What is super nova?

677


Who was the first cosmonaut?

614


When was the administration control of terls enstrusted to physcial research laboratory, ahmedabad?

728


Write two characteristics of Science.

617


I am a student of class 12. PCMB group. I am not getting admission in any of the medical colleges. And I am not good at math. So what are the options available for me????

1104


BARC CHIF

2475


What is voltage? ?? What type of of show voltage. ?? Practillay how's voltage?

1759


iwant to learn robotics so how can iproceed

1498


how is rrb model question paper for science junior engineer gr.II

2926


When was the atomic energy regulatory board ( aerb ) constituted?

650