Digital Photography Quiz

Grade 7 · Art · Quiz

Test your understanding of digital camera technology, exposure settings, and photographic composition techniques.

Questions

1. What does aperture control in a camera?

   1. How long the shutter stays open
   2. The sensitivity of the sensor to light
   3. The size of the lens opening and amount of light entering
   4. The number of megapixels in the image
   Show answer

   Answer: The size of the lens opening and amount of light entering

   Aperture is the adjustable opening in the lens; a wider aperture (lower f-number) allows more light in, while a narrow aperture (higher f-number) restricts light.

2. Which file format keeps all original sensor data and is best for professional photo editing?

   1. JPEG
   2. PNG
   3. GIF
   4. RAW
   Show answer

   Answer: RAW

   RAW files store unprocessed sensor data, preserving maximum detail and giving photographers full control during editing. JPEG compresses and loses some data.

3. When using the rule of thirds, where should the main subject ideally be placed?

   1. Dead center of the frame
   2. At one of the four intersections of the grid lines
   3. In the bottom-left corner always
   4. At the very top of the frame
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   Answer: At one of the four intersections of the grid lines

   The rule of thirds places subjects at the four intersection points of the 3x3 grid, creating more balanced and visually interesting compositions than centering.

4. What is 'bokeh' in photography?

   1. Unwanted digital noise in a photo
   2. A Japanese camera brand
   3. The aesthetic blur in out-of-focus areas of a photo
   4. A black-and-white photo filter
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   Answer: The aesthetic blur in out-of-focus areas of a photo

   Bokeh comes from the Japanese word for blur; it refers to the soft, out-of-focus background created when using a wide aperture that gives a shallow depth of field.

5. A slow shutter speed is the best choice for photographing a sprinting athlete without motion blur.

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   Answer: False

   Slow shutter speeds allow more time for motion to be recorded, resulting in blur. A fast shutter speed (e.g., 1/500s or faster) is needed to freeze a moving athlete.

6. Digital cameras capture images using which type of electronic component?

   1. A chemical film strip
   2. An image sensor (CCD or CMOS)
   3. A mirror and prism only
   4. A laser scanner
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   Answer: An image sensor (CCD or CMOS)

   Digital cameras use CCD (charge-coupled device) or CMOS (complementary metal-oxide semiconductor) sensors to convert light into digital data.

7. A photographer is in a dark room and needs more light but wants to avoid blur. Which adjustment would help most?

   1. Decrease ISO
   2. Use a faster shutter speed
   3. Increase ISO
   4. Decrease aperture size (higher f-number)
   Show answer

   Answer: Increase ISO

   Increasing ISO raises the sensor's sensitivity to light, making the image brighter without requiring a slower shutter speed that would cause motion blur.

8. Composition lines in a scene that draw the viewer's eye toward the main subject are called _______ lines.

   Show answer

   Answer: leading

   Leading lines are compositional elements (roads, fences, rivers) that naturally guide the viewer's eye through the image toward the main subject.

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