Concave mirrors in order for the light to be concentrated so that it points forward.
The light bulbs in flashlight are not powerful but the mirrors inside help reflect the light that is not directed in your direction
Concave Mirrors, so that the light can be concentrated and so that it points forward. This is how we are able to see using a flashlight beam.:) Catherine
Concave on the inside part. Convex on the outer.
Concave Mirrors
so the dentist can see inside your mouth
Newton's telescope is designed with mirrors along the inside of its body tube.
The popular energy of flashlight are Rechargeable Li-on battery, Alkaline battery.
A dynamo flashlight works by producing its own electricity. The flashlight has a crank that is turned by the operator. The crank runs a small generator inside that produces enough electric to run the flashlight.
alloy
-- auto headlights -- front end of a flashlight -- shaving mirror -- satellite TV dish
there are three kinds of mirror 1) concave 2) convex 3) plane
There is a metal bar in there and baterieswitha spring in there.