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Place a lamp close to a mug and observe its shadow on a table. Notice that the shadow formed has two parts. The darker part of the shadow, is the___________ and the lighter part is the ___________.
- a)Umbra, penumbra
- b)Penumbra, umbra
- c)Thicker, thinner
- d)Only Penumbra
Correct answer is option 'A'. Can you explain this answer?
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Place a lamp close to a mug and observe its shadow on a table. Notice ...
Understanding Shadows: Umbra and Penumbra
When a light source, like a lamp, shines on an object, it creates a shadow on the surface behind it, such as a table. This phenomenon can be explained through two distinct parts of the shadow: the umbra and the penumbra.
What is Umbra?
- The umbra is the darker part of the shadow.
- It occurs where the light source is completely blocked by the object (in this case, the mug).
- In the umbra, no light from the lamp reaches the table, resulting in a deep, dark shadow.
What is Penumbra?
- The penumbra is the lighter part surrounding the umbra.
- Here, the light source is only partially blocked by the object.
- Some light still reaches the table, making this area less dark than the umbra.
Why Does This Happen?
- The shape of the light source matters; if it’s a point source (like a small bulb), the shadow will have a more defined umbra and penumbra.
- If the light source is larger, the penumbra may extend further, making shadows appear softer.
Conclusion
Understanding umbra and penumbra helps explain how shadows are formed and illustrates the interaction between light and objects. Observing these concepts in real life, like with your mug and lamp, enhances your grasp of basic physics and light behavior!
When a light source, like a lamp, shines on an object, it creates a shadow on the surface behind it, such as a table. This phenomenon can be explained through two distinct parts of the shadow: the umbra and the penumbra.
What is Umbra?
- The umbra is the darker part of the shadow.
- It occurs where the light source is completely blocked by the object (in this case, the mug).
- In the umbra, no light from the lamp reaches the table, resulting in a deep, dark shadow.
What is Penumbra?
- The penumbra is the lighter part surrounding the umbra.
- Here, the light source is only partially blocked by the object.
- Some light still reaches the table, making this area less dark than the umbra.
Why Does This Happen?
- The shape of the light source matters; if it’s a point source (like a small bulb), the shadow will have a more defined umbra and penumbra.
- If the light source is larger, the penumbra may extend further, making shadows appear softer.
Conclusion
Understanding umbra and penumbra helps explain how shadows are formed and illustrates the interaction between light and objects. Observing these concepts in real life, like with your mug and lamp, enhances your grasp of basic physics and light behavior!
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Place a lamp close to a mug and observe its shadow on a table. Notice that the shadow formed has two parts. The darker part of the shadow, is the___________ and the lighter part is the ___________.a)Umbra, penumbrab)Penumbra, umbrac)Thicker, thinnerd)Only PenumbraCorrect answer is option 'A'. Can you explain this answer?
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Place a lamp close to a mug and observe its shadow on a table. Notice that the shadow formed has two parts. The darker part of the shadow, is the___________ and the lighter part is the ___________.a)Umbra, penumbrab)Penumbra, umbrac)Thicker, thinnerd)Only PenumbraCorrect answer is option 'A'. Can you explain this answer? for Class 6 2024 is part of Class 6 preparation. The Question and answers have been prepared according to the Class 6 exam syllabus. Information about Place a lamp close to a mug and observe its shadow on a table. Notice that the shadow formed has two parts. The darker part of the shadow, is the___________ and the lighter part is the ___________.a)Umbra, penumbrab)Penumbra, umbrac)Thicker, thinnerd)Only PenumbraCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 6 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Place a lamp close to a mug and observe its shadow on a table. Notice that the shadow formed has two parts. The darker part of the shadow, is the___________ and the lighter part is the ___________.a)Umbra, penumbrab)Penumbra, umbrac)Thicker, thinnerd)Only PenumbraCorrect answer is option 'A'. Can you explain this answer?.
Place a lamp close to a mug and observe its shadow on a table. Notice that the shadow formed has two parts. The darker part of the shadow, is the___________ and the lighter part is the ___________.a)Umbra, penumbrab)Penumbra, umbrac)Thicker, thinnerd)Only PenumbraCorrect answer is option 'A'. Can you explain this answer? for Class 6 2024 is part of Class 6 preparation. The Question and answers have been prepared according to the Class 6 exam syllabus. Information about Place a lamp close to a mug and observe its shadow on a table. Notice that the shadow formed has two parts. The darker part of the shadow, is the___________ and the lighter part is the ___________.a)Umbra, penumbrab)Penumbra, umbrac)Thicker, thinnerd)Only PenumbraCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 6 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Place a lamp close to a mug and observe its shadow on a table. Notice that the shadow formed has two parts. The darker part of the shadow, is the___________ and the lighter part is the ___________.a)Umbra, penumbrab)Penumbra, umbrac)Thicker, thinnerd)Only PenumbraCorrect answer is option 'A'. Can you explain this answer?.
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