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

Related Mcqs:

Earth is closest to the sun every year in early ______________, when it’s winter for the Northern Hemisphere. We’re farthest away from the sun in early __________________, during our Northern Hemisphere summer.

A. January – July B. June – December C. July – January D. December – June...

The average human body contains how many pints of blood?

A. 3 to 5 pints B. 5 to 7 pints C. 7 to 8 pints D. 9 to 12 pints...

What is the name of the branch of the science that studies the ocean?

A. Oceanography B. Algology C. Phology D. Orintology...

During a total solar eclipse there is most likely to be_____________?

A. A decrease in the rate of photosynthesis B. An increase in the rate of photosynthesis C. A decrease in the rate of respiration D. No effect on either photosynthesis or respiration...

How many eyes does a worm have?

A. Two B. Three C. One D. None...