Class 3 Exam > Class 3 Questions > Which of the following statements is incorrec...
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Which of the following statements is incorrect?
- a)Shadows cannot be formed when an object allows light to pass through it completely.
- b)Shadows always form on the opposite side of the light source.
- c)A shadow always has a similar size to the object that forms the shadow.
- d)An object may form as many shadows as there are light sources around it.
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
Which of the following statements is incorrect?a)Shadows cannot be for...
Incorrect Statement:
Statement c) "A shadow always has a similar size to the object that forms the shadow" is incorrect.
Explanation:
Shadows are formed when an object blocks light from a light source. They are created when an object comes between the light source and a surface, preventing the light from reaching that surface. While shadows do have some similarities to the objects that form them, their sizes can vary depending on several factors.
Factors affecting the size of a shadow:
1. Distance between the object and the light source: The size of a shadow depends on the distance between the object and the light source. If the object is closer to the light source, the shadow will be larger. Conversely, if the object is farther away from the light source, the shadow will be smaller.
2. Angle of the light source: The angle at which the light source is positioned in relation to the object and the surface also affects the size of the shadow. If the light source is positioned at a low angle, the shadow may appear elongated. If the light source is positioned at a high angle, the shadow may appear shorter.
3. Size and shape of the object: The size and shape of the object can influence the size and shape of the shadow. For example, a tall object will cast a longer shadow compared to a shorter object. Similarly, an object with a larger surface area may cast a larger shadow.
4. Properties of the surface: The type of surface on which the shadow falls can also impact its size. A reflective surface may scatter the light, causing the shadow to appear distorted or fragmented. On the other hand, a flat surface may produce a more defined and accurate shadow.
Conclusion:
In conclusion, statement c) "A shadow always has a similar size to the object that forms the shadow" is incorrect. The size of a shadow can vary depending on the distance between the object and the light source, the angle of the light source, the size and shape of the object, and the properties of the surface on which the shadow falls.
Statement c) "A shadow always has a similar size to the object that forms the shadow" is incorrect.
Explanation:
Shadows are formed when an object blocks light from a light source. They are created when an object comes between the light source and a surface, preventing the light from reaching that surface. While shadows do have some similarities to the objects that form them, their sizes can vary depending on several factors.
Factors affecting the size of a shadow:
1. Distance between the object and the light source: The size of a shadow depends on the distance between the object and the light source. If the object is closer to the light source, the shadow will be larger. Conversely, if the object is farther away from the light source, the shadow will be smaller.
2. Angle of the light source: The angle at which the light source is positioned in relation to the object and the surface also affects the size of the shadow. If the light source is positioned at a low angle, the shadow may appear elongated. If the light source is positioned at a high angle, the shadow may appear shorter.
3. Size and shape of the object: The size and shape of the object can influence the size and shape of the shadow. For example, a tall object will cast a longer shadow compared to a shorter object. Similarly, an object with a larger surface area may cast a larger shadow.
4. Properties of the surface: The type of surface on which the shadow falls can also impact its size. A reflective surface may scatter the light, causing the shadow to appear distorted or fragmented. On the other hand, a flat surface may produce a more defined and accurate shadow.
Conclusion:
In conclusion, statement c) "A shadow always has a similar size to the object that forms the shadow" is incorrect. The size of a shadow can vary depending on the distance between the object and the light source, the angle of the light source, the size and shape of the object, and the properties of the surface on which the shadow falls.
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Community Answer
Which of the following statements is incorrect?a)Shadows cannot be for...
The shape of an object determines the shape of its shadow. However, the size and shape of the shadow can change. These changes are caused by the change in position of the light source.
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Which of the following statements is incorrect?a)Shadows cannot be formed when an object allows light to pass through it completely.b)Shadows always form on the opposite side of the light source.c)A shadow always has a similar size to the object that forms the shadow.d)An object may form as many shadows as there are light sources around it.Correct answer is option 'C'. Can you explain this answer?
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