How Many Colours of Sunlight ?

A. 3
B. 5
C. 7
D. 1

The earth is the densest planet of universe .It has density of …….. time that of water

A. 5.51 time
B. 5.11 time
C. 5.25 time
D. 5.33 time

The world is divided Into 24 time zones, each ….. Wide?

A. 05′ longitude
B. 10′ longitude
C. 15′ longitude
D. 45′ longitude

Light is the fastest thing in the Universe. It travels 186,000 ____ per second.

A. Feet
B. Miles
C. Kilometers
D. None of these

What creature is the symbol of medicine ?

A. Snake
B. Aunt
C. Fish
D. Scorpio

Nylon was Invented in 1934 what product first used it?

A. Glass
B. Bamboo
C. Pottery
D. Toothbrush

What is the hole in a pencil sharpener called?

A. Trimmer
B. Chuck
C. Pencil place
D. None of these

Which colors of light would travel slowest through the glass?

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

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

Explanation: