u and i are standing on opposite sides of a tree u cant see me but yau can hear me speak this is because.......

DEAR NANDINI

OUR SIGHT CAN NOT SEE BEYOND ANY OPAQUE OBSTACLE.

BUT SOND GETS REFLECTED FROM THESE OPAQUE OBJECTS OR IT SPREADS IN AIR.

WHICH ALLOWS YOU TO HEAR.

(LINE OF SIGHT IS LIMITED TO OUR VISION).

IF THIS ANSWER WAS HELPFUL THEN PLEASE CLICK ON LIKE THIS ANSWER. PLEASE NANDINI.

THANK YOU

BEST OF LUCK.

can you explain by relating the condition to wavelength anf frequency of light and sound