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The correct path of a ray of light passing from air to kerosene oil and from kerosene oil to water is
NCERT Class 10 Science Lab Manual Refraction Through Glass Slab 20
(a) A               (b) B              (c) C               (d) D
I  have a confusion with A and C  both the emergent ray is away from normal(denser to rarer)

As we know Air is more dense among them
Density order
Air > Water > Kerosene Oil
When light passes into a denser medium, the rayis bent toward the normal.
So Correct answer is (B)
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The Answer is C
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D
 
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Correct option - (c)

Bcs, as the ray of light passes out of water it should bend away from the normal.

Air is less dense than Kerosene oil and water, and Kerosene is more dense than water.
 

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Correct option - (c)

Bcs, as the ray of light passes out of water it should bend away from the normal.

Air is less dense than Kerosene oil and water, and Kerosene is more dense than water.

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Correct option - (c)

Bcs, as the ray of light passes out of water it should bend away from the normal.

Air is less dense than Kerosene oil and water, and Kerosene is more dense than water. 

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Correct option - (c)

Bcs, as the ray of light passes out of water it should bend away from the normal.

Air is less dense than Kerosene oil and water, and Kerosene is more dense than water. ..

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density order
Air > Water > Kerosene Oil
When light passes into a denser medium, the rayis bent toward the normal.
So Correct answer is (B)
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The correct path of a ray of light passing from air to kerosene oil and from kerosene oil to water is …Ans is
 
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