What will be the image formed in a concave side of a spoon or mirror?
What will be the image formed in a concave side of a spoon or mirror?
On the other hand, the concave side of the spoon acts like a concave mirror. If the spoon is held at arm’s length, the object (you) is farther from the reflecting surface than the center of curvature. As a result, a real image is formed that is inverted and reduced in size with respect to the object.
Why your reflection on the concave and convex sides of a spoon looks different?
A shiny spoon is like a mirror – only curved. Since the surface is completely smooth, it gives a mirror image – a specular reflection. But since it’s curved, the rays of light are reflected in different directions depending on where they hit the spoon. This side that bulges out is called the convex side.
What is the concave side of a spoon?
The curved surfaces of a spoon act like mirrors. The front part of the spoon is concave while the back side of the spoon is convex.
What type of image is formed by the concave side of the spoon when the object is closer to it?
Answer: The closer the object comes to the focal point (without passing it), the bigger the image will be. You can try this yourself by looking into the concave side of a shiny spoon. If you look into the spoon while holding it at arm’s length, you’ll see an extremely magnified, upside-down image of your face.
Why does my face look upside down in a spoon?
Unlike a flat mirror, the curved surface of the spoon’s bowl bounces incoming rays back towards a central focus point lying between your face and the centre of the spoon’s. In passing through this point, rays from the upper part of your face are reflected downward, while those from the lower part are reflected upward.
What do you see when you look at yourself in the back of a spoon?
30.10 When you look at the back of a spoon you see an upright image of yourself. This is because the reflective curved surface of the metal acts as a diverging mirror. This image does tend to be distorted because spoons seldom have the spherical or parabolic curvature required for an undistorted image.
What do you see as you bring the spoon closer to your face?
If you hold a spoon in front of your face so that you see your image in the bowl of the spoon, your image is upright if you hold the spoon close to your face, inverted if you hold the spoon far away.
How does the image appear on the rear side of the spoon?
When you look at the backside of the spoon your upright reflection will be seen. When you look at the inner side of the spoon your image will be upside down. The first image was convex side and the second was from concave side.
What do you see when you look at the front of a spoon?
The front (concave) side of the spoon behaves as a concave mirror with quite a short focal length (e.g. 10–20 mm). If you look at yourself in this mirror from further away than that, the mirror forms an inverted real image, which is what you see.
Why real images are inverted?
A real image occurs where rays converge, whereas a virtual image occurs where rays only appear to converge. Real images can be produced by concave mirrors and converging lenses, only if the object is placed further away from the mirror/lens than the focal point and this real image is inverted.
How does changing the distance between your eyes and spoon affect what you see?
If you look into the spoon while holding it at arm’s length, you’ll see an extremely magnified, upside-down image of your face. But as you bring the spoon closer to your eyes, the image will get bigger and bigger.
Does the height depends on the distance between the person and the mirror?
You will see that you only need a mirror length of about 1/2 your height. This is due to the principle of reflection, which states that the angle of incidence equals the angle of reflection. A light ray from your foot strikes the mirror like a ball off a wall.
Why are virtual images always upright?
Virtual images are always located behind the mirror. Virtual images can be magnified in size, reduced in size or the same size as the object. Virtual images can be formed by concave, convex and plane mirrors. Virtual images are not real; thus you could never see them when sighting in a mirror.
How do you tell if an image is virtual or real?
(You will have no trouble remembering this if you think about it in the right way: a real image has to be where the light is, which means in front of a mirror, or behind a lens.) Virtual images are formed by diverging lenses or by placing an object inside the focal length of a converging lens.
Are real images always upright?
Real images (images on the same side of the object) are always inverted. Virtual images (images on opposite side of an object) are always erect/ upright.
What’s the difference between a real and virtual image?
The main difference between real and virtual images lies in the way in which they are produced. A real image is formed when rays converge, whereas a virtual image occurs where rays only appear to diverge.
Can we see real image?
It can be seen that the image is formed by actual light rays and thus can form a visible image on a screen placed at the position of the image. An inverted real image of distant house, formed by a convex lens, is viewed directly without being projected onto a screen.
Can virtual images be photographed?
The correct answer is Yes, a virtual image can be photographed by a camera. Additional Information: Virtual images are always erect, and the rays of light do not really intersect at the focus as they are imaginary. They can be produced by using a convex mirror, concave lens, or a plane mirror.
What are real and virtual objects?
A real object is one in which light rays physically emanate from the object. • A real image is one in which light rays physically intersect at the image location. • A virtual object is one from which light rays appear to emanate but physically do not.
How do you get a virtual image using a concave mirror?
When an object is kept between pole and focus of a concave mirror virtual image is formed behind the mirror.
What does it mean for an image to be virtual?
: an image (such as one seen in a plane mirror) formed of points from which divergent rays (as of light) seem to emanate without actually doing so.
Can a concave mirror form a virtual image of same size as the object?
Solution : No, virtual image formed by a concave mirror is always enlarged.
What is virtual image give example?
A virtual image is formed when reflected rays appear to meet. Such images cannot be obtained on the screen. Plane mirrors, convex mirrors, and concave lenses always form virtual images.
What are characteristics of a virtual image?
Virtual images are images that are formed in locations where light does not actually reach. Light does not actually pass through the location on the other side of the mirror; it only appears to an observer as though the light is coming from this location.