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An object is placed infront of a slab of thickness 10cm and refractive index =1.5 at a distance of 28cm from it.The other face of the slab is silvered.Find the final position of the image from the silvered face?
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An object is placed infront of a slab of thickness 10cm and refractive...
1. Refraction from the front face AB
2. Reflection from the silvered face
3. Again refraction from the front face AB
1. 28*1.5= 42cm
Hence the image will be formed at 42 +10= 52cm
I2 will be formed 52cm behind the mirror.
i.e., 52+10= 62cm
Therefore final image I3will be at 62/1.5= 41.33cm
This question is part of UPSC exam. View all NEET courses
Most Upvoted Answer
An object is placed infront of a slab of thickness 10cm and refractive...
Given Data:
- Thickness of the slab (t) = 10 cm
- Refractive index of the slab (n) = 1.5
- Distance of object from the slab (u) = 28 cm
Final Position of Image:
- Finding the Image Distance:
The image distance (v) can be calculated using the lens formula:
1/f = 1/v - 1/u
where f is the focal length of the lens.
To find the focal length (f), we can use the formula:
f = t / (n - 1)
Substitute the values:
f = 10 / (1.5 - 1) = 20 cm
Now we can find the image distance (v) using the lens formula:
1/20 = 1/v - 1/28
1/v = 1/20 + 1/28
1/v = (7 + 5) / 140
1/v = 12 / 140
v = 140 / 12
v ≈ 11.67 cm
Therefore, the final position of the image from the silvered face of the slab is approximately 11.67 cm.
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An object is placed infront of a slab of thickness 10cm and refractive index =1.5 at a distance of 28cm from it.The other face of the slab is silvered.Find the final position of the image from the silvered face?
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An object is placed infront of a slab of thickness 10cm and refractive index =1.5 at a distance of 28cm from it.The other face of the slab is silvered.Find the final position of the image from the silvered face? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about An object is placed infront of a slab of thickness 10cm and refractive index =1.5 at a distance of 28cm from it.The other face of the slab is silvered.Find the final position of the image from the silvered face? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for An object is placed infront of a slab of thickness 10cm and refractive index =1.5 at a distance of 28cm from it.The other face of the slab is silvered.Find the final position of the image from the silvered face?.
An object is placed infront of a slab of thickness 10cm and refractive index =1.5 at a distance of 28cm from it.The other face of the slab is silvered.Find the final position of the image from the silvered face? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about An object is placed infront of a slab of thickness 10cm and refractive index =1.5 at a distance of 28cm from it.The other face of the slab is silvered.Find the final position of the image from the silvered face? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for An object is placed infront of a slab of thickness 10cm and refractive index =1.5 at a distance of 28cm from it.The other face of the slab is silvered.Find the final position of the image from the silvered face?.
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