Neon gas is generally used in the sign boards. If it emits strongly at 616 nm. The distance travelled by this radiaiion in 30s is 9×10z m.The value of z is
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answer is 9.
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Detailed Solution
velocity=distance timedistance = 3x108 x 30 =9x109
Neon gas is generally used in the sign boards. If it emits strongly at 616 nm. The distance travelled by this radiaiion in 30s is 9×10z m.The value of z is