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Iron emits ka x rays of energy 6.4 kev and calcium emits ka x rays of energy 3.69. Calculate the time taken by an iron ka photon and calcium ka photon to cross through a distance of 3 km?

Iron emits ka x rays of energy 6.4 kev and calcium emits ka x rays of energy 3.69. Calculate the time taken by an iron ka photon and calcium ka photon to cross through a distance of 3 km?

Grade:12th pass

1 Answers

Navdeep Singh
15 Points
2 years ago
Distance = 3 km = 3 x 10^3 m
C = 3 x
 10^8 m/s
t = D/C = 10^-5 sec.

=> 10 x 10^-8 sec = 10 microseconds in both cases.
 

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