The reflector is the surface of a medium of greater density than that through which the incident sou â¦ nd travels, and it can be the surface of water, or a density-boundary caused by sharp temperature or salinity differences in the sea.
A typical ham and cheese sandwich provides nearly 16 grams of fat. An egg and cheese sandwich provides nearly 400 calories and 20 grams of fat and a peanut butter and jelly sandwich provides about 350 calories (although you can make a healthier peanut butter and jelly sandwich).
The total calories in a typical grilled cheese sandwich total 311 calories. The cheese contributes 77 calories per slice, along with around 102 calories from approximately one tablespoon of butter applied evenly over both slices of bread.Two slices of white bread contain around 132 calories. classic grilled cheese sandwich contains one slice of American cheese between two slices of buttered white bread, slowly grilled in a skillet until browned.