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Question
Which of the following statements about pinhole camera are correct?
I. It is a camera with a single lens.
II. It produces an upside-down image of object.
III. It does not have a screen.
IV. It works because light travels in a straight line.
V. It forms real and colourless shadows of objects.
I. It is a camera with a single lens.
II. It produces an upside-down image of object.
III. It does not have a screen.
IV. It works because light travels in a straight line.
V. It forms real and colourless shadows of objects.
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Solution
- A pinhole camera doesn’t have a lens. Instead of this it has a tiny hole through which light passes and forms an inverted (upside down) image on the opposite side of the box that acts as a screen.
- The image formed is a real image as it can be captured on a screen.
- The image formed is colourful.
Therefore, only statements II and IV are correct.
- A pinhole camera doesn’t have a lens. Instead of this it has a tiny hole through which light passes and forms an inverted (upside down) image on the opposite side of the box that acts as a screen.
- The image formed is a real image as it can be captured on a screen.
- The image formed is colourful.
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