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What is the official language of Cuba?

A. Spanish
B. English
C. Arabic
D. None of these

Which colors of light would travel slowest through the glass?

A. Red
B. Violent
C. Green
D. Blue

Where is the Hanging Gardens of Babylon located today?

A. Iraq
B. Iran
C. Qatar
D. Syria

What wavelengths are in the visible spectrum?

A. 100-200
B. 200-300
C. 400-700
D. 700-1000

What is the visible light spectrum ranges between?

A. 100-200
B. 200-300
C. 400-700
D. 700-1000

 

Which Colour is least deviated by a prism ?

A. Blue
B. Violet
C. Green
D. Red