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

where is the headquarters of international telecommunication union located

A. London, UK
B. Geneva, Switzerland
C. Washington, USA
D. Alaska, USA

Where is the headquarter of International Maritime Organisation?

A. London, UK
B. Geneva, Switzerland
C. Washington (USA)
D. Alaska (USA)

Where does the Headquarters of International Monetary Fund?

A. Zürich, Switzerland
B. Geneva, Switzerland
C. Washington (USA)
D. Alaska (USA)

Where is the headquarters of international Labour Organisation situated?

A. Zürich, Switzerland
B. Geneva, Switzerland
C. Bern, Switzerland
D. Basel, Switzerland