Question

$\huge \colorbox{lightblue}{QUESTION}$
Why & How do I see this heart-shaped cardioid formed in my cup?​

Answer 1

Umm.

I think it's due to reflection and refraction of lightof light!

Actually light is amazing!

And water is transparent !

so due to some effects this beautiful shape is formed! (I guess)

Answer 2

Answer:

Answer-This is due to reflection and refraction of light