Question

compute the coherent length of yellow light with 5893 A in 10 sec pulse duration​

Answer 1

Answer:

Coherent length of yellow light with 5893 A in 10 sec pulse is 3×$10^{9$ m

Step-by-step explanation:

• In physics, the coherence length is the propagation distance over which a coherent wave (eg an electromagnetic wave) maintains a given degree of coherence. Wave interference is strong when the paths of all interfering waves differ by less than the coherence length.

CALCULATION:

• Wavelength of Yellow light :5893 A

• coherence time (t) :10 sec pulse

• Speed of light (c): 3×$10^{8}$ m/s

• coherent length (L) is given by

L=c×t

L= 3×$10^{8}$ ×10

L= 3×$10^{9$ m

Ans: Coherent length of yellow light with 5893 A in 10 sec pulse is 3×$10^{9$ m

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