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Are the laws of reflection applicable to plane surfaces also valid for curved surfaces?
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Should a screen should be placed parallel or perpendicular to the plane of the convex lens?
If you want to catch the image formed by the lens, then the screen will have to be perpendicular to the axis of the lens. That's kind of parallel to the lens ... the lens doesn't actually have any 'plane' since its surfaces are curved.
How is light reflected from plane surfaces?
the base of it has a mirror
Which type of mirror produces the most accurate reflection?
plane mirror
Why is light scattering by diffused reflection important?
Specular reflection is from smooth surfaces, and the light is reflected at a definite angle. Diffuse reflection is from rough surfaces, and the light is scattered in all directions. The difference between Specular Reflection and a Diffuse Reflection is that Specular Reflection is from a mirror- like surface, which creates an image of its surroundings. Diffuse reflection is from a rough surface, which does not create a clear image but instead allows you to see what is on the surface.
How do plane mirrors form a virtual image?
every plane mirror has a lining of silver on its back...which makes reflection possible
How many plane surfaces are there in a ball?
None. There is one curved suface but no plane surface.
When a curved surface is tangent to a plane surface?
When the two surfaces touch but do not intersect one another.
Name some 4 shapes with curved faces?
Sphere, ellipsoid, torus, paraboloid, hyperboloid are shapes with only curved surfaces. Hemisphere, quadrant, cone and cylinder are examples of shapes with curved and plane surfaces. There are, of course, many others.
What is the definition of an face in math?
A face is any one of the 2-dimensional plane boundaries or surfaces of a solid object. Sometimes the term is also used for curved surfaces.
What is the name of a 3 faced 3-d shape that is not a cilynder?
A lune or biangle. For example, a segment of an orange, which has two plane surfaces and one curved one.
What is the definition of surface in math?
A surface is a 2-dimensional manifold. Most surfaces are curved, in which for a small "differential" section of a surface, a plane figure is uniquely determined.
How many plane face and curved face in cylinder have?
2 plane faces, 1 curved face
Is a plane a curved surface?
No.
How many plane and curved faces of cylinder?
A cyliner has 2 parallel plane faces and 1 curved face
Can you draw an obtuse triangle with two obtuse angles?
Only on a curved surface like a sphere. You must understand non-euclidean geometry (geometry with no flat surfaces like paper). On a curved plane like a sphere all angles>180 On a flat plane like paper all angles=180 And on a saddle shaped plane like a Pringle all angles<180
What is the meaning of lens?
A piece of glass, or other transparent substance, ground with two opposite regular surfaces, either both curved, or one curved and the other plane, and commonly used, either singly or combined, in optical instruments, for changing the direction of rays of light, and thus magnifying objects, or otherwise modifying vision. In practice, the curved surfaces are usually spherical, though rarely cylindrical, or of some other figure.
What is the definition of lens?
A piece of glass, or other transparent substance, ground with two opposite regular surfaces, either both curved, or one curved and the other plane, and commonly used, either singly or combined, in optical instruments, for changing the direction of rays of light, and thus magnifying objects, or otherwise modifying vision. In practice, the curved surfaces are usually spherical, though rarely cylindrical, or of some other figure.
