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:
Reflection :
The process of sending back the light rays that fall on the surface of an object is called reflection of light.
Shadow:
When a beam of light is blocked by an opaque object, the light rays that reach the object are stopped. On the other hand, the rays that pass by the edges continue on their path. Shadow is formed in a region without light behind the object.
Pinhole camera:
The name itself tells us that the pinhole camera has a single pin, with a tiny aperture. Let us see how it works.
Look at this above image. Here the tree is the object and the box-like structure is the pinhole camera. This box is completely dark inside, with just one single hole. Light rays will enter the hole and will create an image, but the image will be an inverted image. This inverted image which is created will be created on the opposite face of the box. This is how the pinhole camera works.
Construction of pinhole camera is a very easy task. All we need is a box which is completely dark inside with a small hole. Unlike the other camera, with a pinhole camera, there is no lens used. So what happens here is light enters through the tiny hole and projects an inverted image on the opposite side of the box.
Mirror:
A mirror is an object that reflects an image. 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.
Hi dear I'm lathika from tamilnadu I'm studying 10th std see i have given image for pinhole camera and i have given the definitions for all u need.
HOPE IT HELPS!
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