
Actually Welcome to the Concept of the Waves.
Wavelength is the distance between two consecutive crest or trough.
hence, here the distance is 10cm
So the wavelength is 10cm
===> 10 cm
Answer:
11.6 s
Explanation:
We can use equation of motiom to solve this

I believe it’s Deposition!
Answer:
photon, collides with an electron and uses some of its energy to dislodge the electron.
Explanation: