Coherent light of frequency 6.301014Hz passes through two thin slits and falls on a screen 88.0cm away. You observe that the third bright fringe occurs at  3.16cm on either side of the central bright fringe. A)How Far apart are the two slits? answer in mm.
2. Beans. Beans contain vitamin B9, which helps to increase the blood platelet count. Some other foods are asparagus, spinach, and oranges. This is actually one of the great foods to increase blood platelets that I want you and my other readers know and try adding them to your daily diets for good.
Carrots. Carrots are rich in Vitamin A which helps increase collagen production and slows the breakdown of collagen and elastin that causes skin aging. Vitamin A thickens and stimulates the dermis where collagen, elastin and blood vessels are present and it also helps improve blood flow to the surface of the skin.ou can try consuming the collagen-rich foods mentioned in this article. You can also consume these vitamin C rich foods yellow and red bell peppers, leafy geen vegetables, guavas, broccoli and berries.