which is the longest wave length a) red b) violet c)blue d) green

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