Which of the following is true about Ionosphere?

Question

Muhammad Abdullah · Accepted Answer

Its density is greater at short distances from tplanetary surface in daytime and decreases as ionosphere rises at night-time, thereby allowing a greater range of radio frequencies to travel greater distances

Muhammad Abdullah · Answer

Its density is lesser at short distances from planetary surface in morning and further decreases as ionosphere rises at night-time, thereby allowing a greater range of radio frequencies to travel greater distances

Muhammad Abdullah · Answer

Its density is greater at long distances from planetary surface in daytime and further increases as ionosphere rises at night-time, thereby allowing a greater range of radio frequencies to travel greater distances

Muhammad Abdullah · Answer

None of the above

Question #18709