Question
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Answer (Detailed Solution Below)
Option 2 : $9\ \text{cm}$ / $9\ \text{cm}$
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Detailed Solution
सही उत्तर $9\ \text{cm}$ / $9\ \text{cm}$ है।
Key Points
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prepsnap.in • Part -AQuestion:
A fish is $12\ \text{cm}$ below the surface of water ($n = 4/3$). Viewed normally from air, its apparent depth is / एक मछली जल सतह से $12\ \text{cm}$ नीचे है ($n = 4/3$)। वायु से अभिलंबतः देखने पर इसकी आभासी गहराई है
1.
$16\ \text{cm}$ / $16\ \text{cm}$
2.
$9\ \text{cm}$ / $9\ \text{cm}$
3.
$6\ \text{cm}$ / $6\ \text{cm}$
4.
$12\ \text{cm}$ / $12\ \text{cm}$
Correct Answer: $9\ \text{cm}$ / $9\ \text{cm}$
Apparent depth $=$ real depth$/n = 12/(4/3) = 9\ \text{cm}$. / आभासी गहराई $=$ वास्तविक गहराई$/n = 12/(4/3) = 9\ \text{cm}$।
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