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A solid transparent sphere has a small opaque dot at its centre. When observed from outside, the apparent position of the dot will be
- a)Closer to the eye than its actual position.
- b)The same as its actual position.
- c)Farther away from the eye than its actual position.
- d)None of these.
Correct answer is option 'B'. Can you explain this answer?
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A solid transparent sphere has a small opaque dot at its centre. When ...
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A solid transparent sphere has a small opaque dot at its centre. When ...
**Explanation:**
When observing an object through a transparent medium, such as a solid transparent sphere, the light rays from the object undergo refraction. Refraction is the bending of light as it passes from one medium to another, such as from air to the transparent sphere.
**Apparent Position:**
The apparent position of an object is the position where the light rays appear to come from after refraction. In this case, the opaque dot appears to come from a certain position due to the refraction of light.
**Refraction in a Sphere:**
When light rays enter a transparent sphere, they bend towards the normal (an imaginary line perpendicular to the surface) as they pass from air to the denser medium of the sphere. The light rays then continue to bend as they leave the sphere and enter the air again.
**Path of Light Rays:**
Considering the path of light rays, it can be observed that the light rays from the opaque dot at the center of the sphere will undergo refraction twice - once when entering the sphere and once when leaving the sphere.
- When the light rays enter the sphere, they bend towards the normal and converge towards the center of the sphere.
- When the light rays leave the sphere, they bend away from the normal and spread out again.
**Emerging Light Rays:**
The light rays that emerge from the sphere after refraction will appear to come from a certain position. This is the apparent position of the dot observed from outside the sphere.
**Conclusion:**
Since the light rays converge towards the center of the sphere when entering and then spread out when leaving, the apparent position of the dot observed from outside the sphere will be the same as its actual position. Hence, option B - "The same as its actual position" is the correct answer.
When observing an object through a transparent medium, such as a solid transparent sphere, the light rays from the object undergo refraction. Refraction is the bending of light as it passes from one medium to another, such as from air to the transparent sphere.
**Apparent Position:**
The apparent position of an object is the position where the light rays appear to come from after refraction. In this case, the opaque dot appears to come from a certain position due to the refraction of light.
**Refraction in a Sphere:**
When light rays enter a transparent sphere, they bend towards the normal (an imaginary line perpendicular to the surface) as they pass from air to the denser medium of the sphere. The light rays then continue to bend as they leave the sphere and enter the air again.
**Path of Light Rays:**
Considering the path of light rays, it can be observed that the light rays from the opaque dot at the center of the sphere will undergo refraction twice - once when entering the sphere and once when leaving the sphere.
- When the light rays enter the sphere, they bend towards the normal and converge towards the center of the sphere.
- When the light rays leave the sphere, they bend away from the normal and spread out again.
**Emerging Light Rays:**
The light rays that emerge from the sphere after refraction will appear to come from a certain position. This is the apparent position of the dot observed from outside the sphere.
**Conclusion:**
Since the light rays converge towards the center of the sphere when entering and then spread out when leaving, the apparent position of the dot observed from outside the sphere will be the same as its actual position. Hence, option B - "The same as its actual position" is the correct answer.
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A solid transparent sphere has a small opaque dot at its centre. When observed from outside, the apparent position of the dot will bea)Closer to the eye than its actual position.b)The same as its actual position.c)Farther away from the eye than its actual position.d)None of these.Correct answer is option 'B'. Can you explain this answer?
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A solid transparent sphere has a small opaque dot at its centre. When observed from outside, the apparent position of the dot will bea)Closer to the eye than its actual position.b)The same as its actual position.c)Farther away from the eye than its actual position.d)None of these.Correct answer is option 'B'. 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 A solid transparent sphere has a small opaque dot at its centre. When observed from outside, the apparent position of the dot will bea)Closer to the eye than its actual position.b)The same as its actual position.c)Farther away from the eye than its actual position.d)None of these.Correct answer is option 'B'. 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 A solid transparent sphere has a small opaque dot at its centre. When observed from outside, the apparent position of the dot will bea)Closer to the eye than its actual position.b)The same as its actual position.c)Farther away from the eye than its actual position.d)None of these.Correct answer is option 'B'. Can you explain this answer?.
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