Answer:D. λfilm/4
Explanation: Destructive interference is a type of wave interference which means the coming together or over-lapping of two opposing waves creating No effect or the Cancellation of the wave impact. An example of destructive wave is when Noise cancel the effect of sound from a head phone.
The film thickness will need to be increased by λfilm/4 for it to be able to give a destructive interference.
Command module ✅
service module
lunar module
annum module
Answer:
prokaryotic cells have no nucleus but contain DNA.
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A higher frequency. I just got this answer on usa test prep.