🔬
Which of the following is true about Ionosphere?
AIts 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
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
CIts 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
DNone of the above
Correct Answer: B. 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
Related Questions
Everyday Science
What is the chemical name of Oil of Vitriol?
Everyday Science
According to Quark theory, there are _________ elementary particles.
Everyday Science
Which is the New & Most Important Culprit damaging the ozone Layer?
Everyday Science
Pluto is known as dwarf planet because which of the following reason/s:
Everyday Science
Which of the following phenomena of light are involved in the formation of a rainbow?