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| 1. |
The red signal appears green to a person in a jet plane .The speed of jet plane is \lbrack λ_{red} =700 nm ,λ_{green }=500 nm \rbrack |
| Answer» The red signal appears green to a person in a jet plane .The speed of jet plane is \lbrack λ_{red} =700 nm ,λ_{green }=500 nm \rbrack | |