[Solved] What will the following Python code output when run on a Raspberry Pi with a connected camera?import cv2 cap = cv2.VideoCapture(0) ret, frame = cap.read() print(ret) | Raspberry Pi

Raspberry Pi - Camera Module

What will the following Python code output when run on a Raspberry Pi with a connected camera?

import cv2
cap = cv2.VideoCapture(0)
ret, frame = cap.read()
print(ret)

AFalse

BTrue

CNone

DError

Step-by-Step Solution

Solution:

Step 1: Understand cv2.VideoCapture(0)
This opens the default camera (index 0) on Raspberry Pi.
Step 2: Analyze cap.read() output
cap.read() returns two values: ret (True if frame captured) and frame (image data).
Final Answer:
True -> Option B
Quick Check:
Camera connected and read successful = True [OK]

Quick Trick: ret is True if camera frame is captured [OK]

Common Mistakes:

MISTAKES

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