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Red has the longest wavelength and violet has the shortest wavelength. When all the waves are seen together, they make white light. Ultraviolet (UV) light—is radiation with a wavelength shorter than that of visible light, but longer than X-rays, in the range 10 nm to 400 .
Question : Directions: If White is called Blue, Blue is called Red, Red is called Yellow, Yellow is called Green, Green is called Black, Black is called Violet, and Violet is called Orange, then what would be the colour of human blood?
Option 1: Yellow
Option 2: Violet
Option 3: Red
Option 4: Green
Question : Directions: Among five pencils, A, B, C, D, and E, the length of D is 10 cm. A is half the length of D but double the length of C. E is 2 cm longer than C. The length of B is equal to the lengths of A and E taken together. Which is the longest pencil?
Option 1: E
Option 2: D
Option 3: B
Option 4: C
Question : Directions: In a certain code language, he is sick is written as blue red pink, he wants apple is written as green violet red, and apple is tasty is written as blue green yellow. How will tasty be written in that language?
Option 1: Violet
Option 2: Blue
Option 3: Yellow
Option 4: Pink
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