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WorksheetsPinhole camera calculations
Total questions: 12
Worksheet time: 3600secs
Why is the image in a pinhole camera inverted?
Because your eye reverses it
Because of the distance of the image from the aperture
Because it isn't a real image
Because light travels in a straight line
In this ray diagram, is the camera on the left or on the right?
left
right
impossible to tell
could be either
What does the point where the rays cross represent?
How big the image is
How big the photograph can be
The aperture where the light enters the camera
It is just a point in space where the light rays cross
What does d represent?
How far to place the camera from the object you want to photograph
How big the photograph can be
The size of the camera
The focal distance
What does f represent?
How far to place the camera from the object you want to photograph
How big the photograph can be
The size of the camera
The width of the photo paper
What does i represent?
How far to place the camera from the object you want to photograph
The height of the photo paper
The size of the camera
The width of the photo paper
You are using a pinhole camera to take a photo of a car. If you move your camera closer to the car, what will happen to the image on the film paper?
It will get larger
It will get smaller
It will get clearer
It will get fuzzier
You are using a pinhole camera to take a photo of a car. If you make the aperture smaller, what will happen to the image on the film paper?
It will get larger
It will get smaller
It will get clearer
It will get fuzzier
You are using a pinhole camera to take a photo of a car. If you adjust the film paper so it is closer to the aperture, what will happen to the image on the film paper?
It will get larger
It will get smaller
It will get clearer
It will get fuzzier
Which is the correct ray diagram for the following measurements?
focal distance of 6"
photo height of 4"
object to be photographed height of 10'
If you are taking a photo of an 8'x8' playhouse and your film paper is 4"x5"... which dimension of the film paper should you use as the image height?
5" since the object is large
4" since it is a square object and you want it to fit within both sides of the film paper
5" since it will allow you to fit the largest image
4" because it is a factor of 8'
You want to take a photo of a playhouse that measures 8'x8'. You have 4"x5" film paper and must take the photo from 20' away. What size focal distance should your camera have?
40"
10"
10'
6.25"
