Class 6 Exam > Class 6 Questions > Which of the following statements is true?a)T...
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Which of the following statements is true?
- a)The image formed by a pinhole camera is inverted because light travels in a straight line.
- b)Light does not change its direction on reflection.
- c)As we move the object away from the light source, the shadow of the object becomes smaller.
- d)Reflection is possible only from unpolished surface.
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
Which of the following statements is true?a)The image formed by a pinh...
Light changes its direction after reflection. As we move the object away from the light source, the shadow becomes larger as the distance between object and the light source increases. Reflection is possible from rough surface also.
Most Upvoted Answer
Which of the following statements is true?a)The image formed by a pinh...
The image formed by a pinhole camera is inverted because light travels in a straight line.
The statement mentioned in option 'A' is true: The image formed by a pinhole camera is indeed inverted because light travels in a straight line. Let's understand why this happens:
What is a pinhole camera?
A pinhole camera is a simple camera without a lens. It consists of a small hole (pinhole) on one side and a screen or photographic film on the other side. When light enters through the pinhole, an image is formed on the screen or film.
How does a pinhole camera work?
1. Light rays from an object travel in straight lines in all directions.
2. Some of these rays enter the pinhole and pass through it.
3. These rays then travel in straight lines and form an inverted image on the screen or film.
Why is the image formed inverted?
1. Light travels in a straight line: Light rays travel in a straight line until they encounter an obstacle or a surface.
2. Pinhole acts as an obstacle: The small hole in the pinhole camera acts as an obstacle for the light rays. Only a small portion of light rays that pass through the pinhole can reach the screen or film.
3. Crossing of light rays: Since the light rays cross each other at the pinhole, they change their direction and form an inverted image on the screen or film.
4. Reversal of light rays: The rays of light from the top of the object reach the bottom of the image, and the rays from the bottom of the object reach the top of the image. This reversal of light rays results in an inverted image.
Example:
To understand this concept better, let's consider an example. Suppose you have a pinhole camera and you are capturing an image of a tree. The light rays from the top of the tree will pass through the bottom of the pinhole and form the bottom part of the image. Similarly, the light rays from the bottom of the tree will pass through the top of the pinhole and form the top part of the image. This inversion of light rays results in an inverted image of the tree on the screen or film.
Therefore, the statement mentioned in option 'A' is true. The image formed by a pinhole camera is inverted because light travels in a straight line.
The statement mentioned in option 'A' is true: The image formed by a pinhole camera is indeed inverted because light travels in a straight line. Let's understand why this happens:
What is a pinhole camera?
A pinhole camera is a simple camera without a lens. It consists of a small hole (pinhole) on one side and a screen or photographic film on the other side. When light enters through the pinhole, an image is formed on the screen or film.
How does a pinhole camera work?
1. Light rays from an object travel in straight lines in all directions.
2. Some of these rays enter the pinhole and pass through it.
3. These rays then travel in straight lines and form an inverted image on the screen or film.
Why is the image formed inverted?
1. Light travels in a straight line: Light rays travel in a straight line until they encounter an obstacle or a surface.
2. Pinhole acts as an obstacle: The small hole in the pinhole camera acts as an obstacle for the light rays. Only a small portion of light rays that pass through the pinhole can reach the screen or film.
3. Crossing of light rays: Since the light rays cross each other at the pinhole, they change their direction and form an inverted image on the screen or film.
4. Reversal of light rays: The rays of light from the top of the object reach the bottom of the image, and the rays from the bottom of the object reach the top of the image. This reversal of light rays results in an inverted image.
Example:
To understand this concept better, let's consider an example. Suppose you have a pinhole camera and you are capturing an image of a tree. The light rays from the top of the tree will pass through the bottom of the pinhole and form the bottom part of the image. Similarly, the light rays from the bottom of the tree will pass through the top of the pinhole and form the top part of the image. This inversion of light rays results in an inverted image of the tree on the screen or film.
Therefore, the statement mentioned in option 'A' is true. The image formed by a pinhole camera is inverted because light travels in a straight line.
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Which of the following statements is true?a)The image formed by a pinhole camera is inverted because light travels in a straight line.b)Light does not change its direction on reflection.c)As we move the object away from the light source, the shadow of the object becomes smaller.d)Reflection is possible only from unpolished surface.Correct answer is option 'A'. Can you explain this answer?
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