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Q: What will happen if cover half of the concave mirror?
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What is a shape of a convex mirror?

Imagine if you cut a mirror shaped like a ball in half. The inside half is the concave mirror, and the outside half is a convex mirror.


For very small angles the focal length of a concave mirror is?

Half of the radius


What happens when half of concave mirror is painted black?

It wil come forth he who has understanding


What are the properties of images that a concave mirror can produce?

there is an imaginary point in front of the concave mirror, called the focal point or focus, which is half the length of the radius of the sphere of which the mirror was a part of(radius of curvature). usually an object if seen in between the mirror and focus gets magnified, beyond the focus, it gets inverted and reduced.


What is the relation between focal length and center of curvature?

The focal length of a concave mirror is about equal to half of its radius of curvature.


What does 'concave up' mean in physics terms?

There are some meaning on the term " concave up". However, in most cases, a concave is a hallow curve. A half circle with an opening is also a concave. Concave up means to concave somethings.


What word has 6 letters and half of them are R's?

mirror


What are bastard half rounded files?

A Half Round Bastard File is a tool designed for use on concave, convex and flat surfaces.


Is the focal length of a concave mirror is half the radius of curvature?

As shown in the figure, a paraxial ray is incident at point Q on a concave mirror. q = angle of incidence = angle of reflection = Ð CQF = Ð QCF ( by geometry ) So, for D CFQ, exterior Ð QFP = Ð CQF + Ð QCF = 2q . For paraxial incident ray and small aperture, CP' » CP = R and FP' » FP = f. For small aperture, 2q is very small. \ from the figure, 2q » FP QP = f QP … ( 1 ) and q = CP QP = R QP … ( 2 ) From equations ( 1 ) and ( 2 ), R = 2f ⇒ f = R / 2 Thus, focal length of a concave mirror is half its radius of curvature.


How can a butterfly be divided into two halves that are a mirror?

Cut the mirror in half down the middle :p


You are trapped in a room that has mirror walls a mirror ceiling and a mirror floor and the only things in the room is a wooden table How do you escape?

You look in the mirror to see what you saw. Grab the saw cut the table in half. two half make a whole. Jump out the hole.


What are the names of the seven dwarfs from 'Mirror Mirror'?

In the 2012 film "Mirror Mirror" the names of the seven dwarfs are Grimm , Butcher , Wolf , Napoleon , Half-Pint , Grub and Chuckles .