Worksheet Solutions: Photographing at Night | Digital Photography - Class 8 PDF Download

Multiple-Choice Questions (MCQs)

Q1: What common problem can occur in photos taken at night due to slow shutter speed?
(a) Blurriness
(b) Graininess
(c) Darkness
(d) Overexposure
Ans: (a)
Slow shutter speed in low-light conditions can lead to blurry photos because it captures more motion and shake.

Q2: Why might increasing the ISO number in your camera lead to grainy photos?
(a) It decreases sensitivity to light
(b) It decreases the aperture size
(c) It increases the exposure time
(d) It amplifies the image sensor's signal, introducing noise
Ans: (d)
Increasing ISO sensitivity amplifies the signal from the image sensor, which can introduce noise and graininess into the photos.

Q3: What is the primary purpose of using a tripod in low-light photography?
(a) To reduce red-eye
(b) To add more light
(c) To capture long exposure shots without blurriness
(d) To improve image quality
Ans: (c)
A tripod stabilizes the camera, preventing blur caused by hand movements during longer exposure times.

Q4: What is the recommended distance within which a camera's flash is effective in low-light situations?
(a) 5 feet
(b) 10 feet
(c) 15 feet
(d) 20 feet
Ans: (c)
Camera flashes are typically effective within shorter distances, and their effectiveness decreases with greater distance.

Q5: Which type of camera is generally better for low-light photography due to larger lenses and sensors?
(a) Point-and-shoot camera
(b) Smartphone camera
(c) DSLR camera
(d) Mirrorless camera
Ans: (c)
DSLR cameras tend to perform better in low-light situations because they have larger lenses and sensors that can capture more light.

True or False

Q1: Using the Night Portrait scene mode can help your camera deal with low light.
Ans: True
The Night Portrait scene mode is designed to assist the camera in low-light conditions.

Q2: Adjusting the exposure compensation can improve the quality of a dark photo taken at night.
Ans: False
Adjusting exposure compensation can make the photo brighter, but it won't improve its quality or reduce noise.

Q3: The flash is the most flattering light source for night photography.
Ans: False
While a flash can add light, it may not always be the most flattering light source and can lead to harsh lighting.

Q4: Increasing the ISO setting will always result in better-quality photos in low-light conditions.
Ans: False
Increasing ISO can reduce blurriness but can also introduce noise, affecting photo quality.

Q5: Blurriness in night photos can be reduced by keeping the camera as still as possible.
Ans: True
Keeping the camera still helps prevent blurriness, especially with slower shutter speeds in low-light situations.

Short Answer Questions

Q1: What are the common problems encountered in night photography? Explain briefly.
Ans: Common problems in night photography include blurriness due to slow shutter speed, graininess from high ISO settings, and dark photos when the camera can't compensate for low light. Harsh lighting from the flash is also a concern.

Q2: How can using a tripod improve the quality of photos taken in low-light conditions?
Ans: Using a tripod stabilizes the camera, preventing blurriness caused by hand movements during longer exposure times. This results in sharper and clearer photos in low light.

Q3: What is the purpose of adjusting exposure compensation in night photography?
Ans: Adjusting exposure compensation increases or decreases the brightness of the photo. It's used to make photos brighter or darker, but it doesn't improve their overall quality or reduce noise.

Q4: Explain why increasing the ISO setting can both reduce blurriness and introduce graininess in night photos.
Ans: Increasing the ISO setting makes the camera more sensitive to light, reducing the risk of blurriness due to slow shutter speed. However, it also amplifies the signal from the image sensor, which can introduce noise and graininess into the photos.

Q5: Why are DSLR cameras generally preferred for low-light photography compared to point-and-shoot cameras?
Ans: DSLR cameras are preferred for low-light photography because they have larger lenses and sensors that can capture more light, resulting in better image quality in challenging lighting conditions.