Here are 10 One-word Answer Type Questions from the topic “A Pinhole Camera” based on your uploaded PDF content. Each question is followed by its answer and explanation:
Topic: A Pinhole Camera
1. Question: What is used to make a pinhole camera?
Answer: Box
Explanation: A pinhole camera is made using a box or empty container to create a dark space.
2. Question: What is made in the box to allow light to enter?
Answer: Hole
Explanation: A small hole is made on one side of the box to allow light to enter and form an image.
3. Question: What is used to cover the open side of the pinhole camera?
Answer: Butter-paper
Explanation: Butter-paper is used to cover the open side so that the image formed can be seen clearly.
4. Question: What kind of image is formed in a pinhole camera?
Answer: Inverted
Explanation: The image formed in a pinhole camera is always upside down, which is called inverted.
5. Question: What is the nature of the image formed in a pinhole camera?
Answer: Real
Explanation: The image formed is real because it can be caught on a screen like butter-paper.
6. Question: What is needed apart from a box and butter-paper to make a pinhole camera?
Answer: Pin
Explanation: A pin is used to make a small hole in the box.
7. Question: In which direction is the image in a pinhole camera seen?
Answer: Upside-down
Explanation: The image appears upside down because the light travels in straight lines and crosses at the hole.
8. Question: What enters through the pinhole to form an image?
Answer: Light
Explanation: Light passes through the pinhole and forms an image on the butter-paper.
9. Question: What happens to the image if the hole is too big?
Answer: Blurred
Explanation: If the hole is too big, light spreads and the image becomes blurred.
10. Question: What is the shape of the pinhole camera’s hole?
Answer: Round
Explanation: The hole is small and round to allow a thin beam of light to enter and form a clear image.
Shall I continue preparing one-word answer type questions for the next topic “Sunita in Space” or any other chapter you want?