The type of glass used in making lenses and prism is___________?

Related Mcqs:

1. Which lenses are used by people having short-sightedness?

   A. Convex
   B. Concave
   C. Concavo-convex
   D. Plain

   Submitted by: ABDUL HAYEE

2. The lenses are used for the correction of:____________?

   A. Long-sightedness
   B. short sightedness
   C. Both A & B
   D. None of those

   Submitted by: MASOOD AHMED

3. Which among the following types of lenses are prescribed by doctors for a patient suffering from astigmatism?

   A. Cylindrical Lens  
   B. Concave Lens
   C. Spherical Lens
   D. Convex Lens

   Submitted by: Rashid Mehmood

4. When white light is passed through a prism, it splits into __________ colours.

   A. 5
   B. 6
   C. 7
   D. 8

5. A glass chimney stops an oil lamp from smoking because:

   A. It increases the supply of oxygen to the flame by convection
   B. The heat produced ensures complete
   C. Both to these
   D. Neither of these

   Submitted by: hamza

6. Glass is made of the mixture of______________?

   A. Quartz and Mica
   B. Sand and Salt
   C. Sand and Silicates
   D. None of these

   Submitted by: Jack Sparrow

7. Which variety of glass is heat resistant?

   A. Bottle glass
   B. Flint glass
   C. Hard glass
   D. Pyrex glass

   Submitted by: ABDUL HAYEE

8. Which of the following cannot be stored in glass bottle?

   A. Aqua regia
   B. HF
   C. HCL
   D. HBr

   Submitted by: MUHAMMAD ALI

9. Which one of the following of glass can cut ultraviolet rays?

   A. Jena Glass
   B. Soda Glass
   C. Pyrex Glass
   D. Crookes Glass

   Submitted by: Parvez Malik

10. It is impossible for a type of O+ baby to have a type of____________mother:

    A. AB-
    B. O-
    C. O+
    D. none