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प्रश्न
Explain why, we cannot see our seats first when we enter a darkened cinema hall from bright light but gradually they become visible.
उत्तर
When we enter a darkened cinema hall from bright light, the pupil is small. As very little light enters the eye, we cannot see our seats clearly. Gradually, the size of the pupil expands, allowing more light to enter the eye, which then enables us to find our seats.
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