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    1. What is the principle behind the operation of a pinhole camera?

    a) Refraction

    b) Reflection

    c) Diffraction

    d) Inversion

    2. How does the image formed by a pinhole camera differ from that formed by a lens camera?

    a) The image is inverted in a pinhole camera

    b) The image is sharper in a lens camera

    c) The image is brighter in a pinhole camera

    d) The image is smaller in a pinhole camera

    3. What is the main advantage of using a pinhole camera over a lens camera?

    a) Simplicity of design and construction

    b) High resolution images

    c) Low cost

    d) Wide angle of view

    4. How does the size of the pinhole affect the image produced by the camera?

    a) A larger pinhole produces a sharper image

    b) A smaller pinhole produces a brighter image

    c) A larger pinhole produces a brighter image

    d) A smaller pinhole produces a sharper image

    5. What is the relationship between the distance between the pinhole and the image plane, and the size of the image?

    a) The image size increases as the distance increases

    b) The image size decreases as the distance increases

    c) The image size remains constant regardless of the distance

    d) The image size increases as the distance decreases

    6. What is the effect of increasing the distance between the object and the pinhole on the image produced by the camera?

    a) The image becomes larger

    b) The image becomes smaller

    c) The image remains the same size

    d) The image becomes sharper

    7. What is the effect of decreasing the distance between the object and the pinhole on the image produced by the camera?

    a) The image becomes larger

    b) The image becomes smaller

    c) The image remains the same size

    d) The image becomes sharper

    8. What is the effect of increasing the size of the pinhole on the depth of field of the image produced by the camera?

    a) The depth of field increases

    b) The depth of field decreases

    c) The depth of field remains the same

    d) The depth of field becomes sharper

    9. What is the effect of decreasing the size of the pinhole on the depth of field of the image produced by the camera?

    a) The depth of field increases

    b) The depth of field decreases

    c) The depth of field remains the same

    d) The depth of field becomes sharper

    10. What is the effect of increasing the distance between the pinhole and the image plane on the depth of field of the image produced by the camera?

    a) The depth of field increases

    b) The depth of field decreases

    c) The depth of field remains the same

    d) The depth of field becomes sharper

Answers:

1.     d
2.     a
3.     a
4.     b
5.     b
6.     b
7.     a
8.     b
9.     a
10.     b