Answer:
Absence of light causes shadow
Explanation:
The shadow is of the black colour because it is formed by the white light from the sun. Black is the opposite colour of white. In case you use different colour of light to cast a shadow you will get a shadow of opposite colour of light used to cast shadow.
Upside down if its further than 1 focal point you have seen this with a spoon and enlarged right side up if closer than 1 focal point
Answer:
Explanation:The main purpose of astronomical telescope is to make objects from outer space appear as bright, contrasty and large as possible. That defines its three main function: light gathering, resolution and magnification. These are the measure of its efficiency.
The type of torque wrench designed for tightening clamping bands on underground pipe is the …No-Hub..
How much force did the gymnast use to climb the rope?