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P-1 Lenses — Science STD 10 — Question

Maharashtra BoardEnglish MediumSTD 10ScienceP-1 Lenses2 Marks
Question
What is persistence of vision?
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Answer

(i) The impression of the image lasts on the retina
for $\frac{1}{16}$ th of a second after the object is removed;
during this time if any other image is formed on
the retina then we feel continuity in the images.
This is known as persistence of vision.
(ii) Motion pictures and television work on the principle of persistence of vision.

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