Question

Newton’s disc when rotated very fast appears white. This is because of the
property of the human eyes called __________.
(a) Permanent vision
(b) Persistence of vision
(c) Clear vision
(d) Colour blindness

Answer 1

Answer:

(b) Persistence of vision

Explanation:

The Newton's Disc is made up of seven colors. When it is rotated fast the colors blend to form white color due to persistence of vision. White light is a combination of mainly 7 colors.So, Newton wanted to prove this by carrying out this experiment.

Answer 2

Answer:

$\huge\fbox\colorbox{red}{OᑭTIOᑎ (Ᏸ)}$

Explanation:

सुबह हुयी हवाओं में खुशबु महकी,

प्यारी सी सुबह कर रही है तुम्हारा इंतज़ार,

अब तो जाग जाओ और खोल दो आँखें,

हमारा एस.एम.एस. ले कर आया है ढेर सारा प्यार।

ᎶᎧᎧᎴ ᎷᎧᏒᏁᎥᏁᎶ