Question

zero shadow means ?
1. Earth's shadow
2. Faint shadow
3. Invisible shadow​

Answer 1

Answer:

3. Invisible shadow is the correct answer.

Answer 2

Earth's shadow

A zero shadow day is a day on which the Sun does not cast a shadow of an object at noon, when the sun will be exactly at zenith. ... This phenomenon happens when the Sun's declination becomes equal to the latitude of the place.