The change in speed is the cause and the change in direction (refraction) is the effect. Flickr Physics Photo Laser light shown passing through a rectangular block of lucite. It enters the block along the normal line with an angle of incidence of 0Â°. There is no bending upon entering, nor upon leaving the block.
There are 237 calories in 1 cup of Refried Beans (Canned). Calorie breakdown: 12% fat, 67% carbs, 21% protein.
One serving gives you a healthy boost of antioxidant vitamin C and energy-providing B vitamins. As with most processed foods, if you buy canned refried beans theyâll be high in salt unless you choose a low-salt brand. Just 1 cup of traditional refried beans has 1,069 milligrams of sodium -- thatâs 70 percent of the total daily value. Fiber Beans are among the best sources of soluble and insoluble fiber.