What is a mirror, pinhole camera, reflection and a shadow?
please answer if you know it. Class 6
Answers
Answer:
Translucent objects allow light to pass through them partially. Shadows are formed when an opaque object comes in the path of light. Pinhole camera can be made with simple materials and can be used to image the Sun and brightly lit objects. Mirror reflection gives us clear images. ... Light travels in a straight line.
Answer:
Mirror: A mirror is an object that reflects an image. The Light that bounces off a mirror will show an image of whatever is in front of it when focused through the lens of the eye or a camera. Mirrors reverse the direction of the image in an equal yet opposite angle from which the light shines upon it.
Pinhole camera: A pinhole camera is a simple camera, without a lens, in the shape of a box. One of the sides has a small hole and it produces an inverted image of the outside world on another side. ... The image of the outer object is created inverted on the inner box translucent screen.
Reflection: Reflection is the change in direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which it originated. Common examples include the reflection of light, sound, and water waves.
A shadow: A shadow is a dark area where light from a light source is blocked by an opaque object. It occupies all of the three-dimensional volumes behind an object with light in front of it. The cross-section of a shadow is a two-dimensional silhouette or a reverse projection of the object blocking the light.
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