Question

on which latitude do the Sunrays fall straight on 21st March and 23rd September ​

Answer 1

Answer:

tropic of cancer and tropic of Capricorn

Answer 2

ANSWER:

March 21st and September 23rd are the 2 equinoxes and at this time the sun is directly above the equator at high-noon.  

EXPLANATION:

    Mar 21st and Sept 23rd equinoxes, mark the 2 days every year when night/day are of the same length. The September equinox is the start of fall in Northern Hemisphere and spring in Southern Hemisphere, and the March equinox is the start of fall in Southern Hemisphere and spring in Northern Hemisphere.

   There are 12 hrs daylight and 12 hrs nightfall at each and every point on the surface of the earth on the 2 equinoxes.The Sunrises is at six a.m. and sets at six p.m. for many points on the surface of the earth. The Sun is directly above at high-noon on the equator at the two equinoxes.