Graduate / Human is inquisitive by born. Motivation letter for photonics master program [3]

Good effort! But check your grammar and sentence construction!

Human is inquisitive by born This should be either stated as Human beings are inquisitive by birth or a better way to put it will be " human beings are inquisitive by nature"

The entire first paragraph is a difficult read with incorrect usage of words. However it gets better as one reads further.
Try to rephrase the start in order to make a good first impression!

Good Luck!