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focal length..
focal length..
The imaginary line that extends straight out from the center of a reflective surface is the optical axis.
The imaginary line that extends straight out from the center of a reflective surface is the optical axis.
The imaginary line that extends straight out from the center of a reflective surface is the optical axis.
A concave mirror is a spherical mirror with a reflective inside surface. When the reflective surface is made more curved, the distance between the focal point and the surface increases. A concave mirror can form both virtual or real images.
Ina mirror, the angles bounce off (reflect) in a 90 degrees angle- in straight lines. On a non- reflective surface, it reflects in any angle.
It has a polished reflective surface.
A matte surface is non-reflective. It is the opposite of shiny.
The same as between the Moon and the Earth. The distance from the clouds to the surface of the Earth is insignificant, compared to the Moon-Earth distance.The same as between the Moon and the Earth. The distance from the clouds to the surface of the Earth is insignificant, compared to the Moon-Earth distance.The same as between the Moon and the Earth. The distance from the clouds to the surface of the Earth is insignificant, compared to the Moon-Earth distance.The same as between the Moon and the Earth. The distance from the clouds to the surface of the Earth is insignificant, compared to the Moon-Earth distance.
the questions is " do you know what is the shortest distance betwen two placs on a globes's surface? "
It is the shortest distance between the conductors measured along with the surface of insulators.