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Question
Which of the following range represents frequency range of rainbow colors?
Options:
A .  Below 4×10¹⁴Hz
B .  Between 4×10¹⁴Hz and 8×10¹⁴Hz
C .  Above 8×10¹⁴Hz
D .  Between 0Hz and 8×10¹⁴Hz
Answer: Option B
Answer: (b).Between 4×10¹⁴Hz and 8×10¹⁴Hz

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