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Mechanic Lens/ Prism Grinding Practice Test: Materials & Parameters of Different Lens
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Mechanic Lens/ Prism Grinding Practice Test: Materials & Parameters of Different Lens
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18 Questions

1. The diameter of the reflecting surface of a spherical mirror is called..........
2. The type of glass used in making lenses and prisms is...........
3. When white light passes through a aspect then converted in to different colours phenomenon is called .....
4. Which type of lens diverges the light from a single point?
5. Study of physics which deals with behavior and properties of light?
6. The refractive index of Flint glass        .
7. Which type of defect occurred during to process of Sheet Glass making?
8. Dispersive power depends upon...........
9. Refractive index of flint glass        .
10. The bending of light as it travels from one medium into another is called...........
11. The refracting index of crown glass is        .
12. The diameter of the reflecting surface of a spherical mirror is called..........
13. Which type of glass is regarded as most heat resistant?
14. The bending of light as it travels from one medium into another is called...........
15. The refracting index of crown glass is        .
16. Which type of defect occurred during to process of Sheet Glass making?
17. The refracting index of crown glass is..........  .
18. Generally which type glass is used for glass glazing of buildings...........

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