| Disha's younger sister Divya watching coloured soap bubbles and eagerly asked her elder sister Disha, why it happens? Disha is a student of class XIIth and explained that phenomenon to her sister. |
| (i) What values did Disha show to her? |
| (ii) Name the phenomenon involved in coloured appearance of the bubbles. |
| (iii) Explain that phenomenon. |
Answer:
(i) Disha is a caring and responsible towards her sister and an intelligent student. (ii) Interference involved in the coloured appearance of the bubbles. (iii) The redistribution of wave's energy in a medium due to superposition of two coherent waves.
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