The ionosphere lies between which heights?
A10 and 50 km
B50 and 80 km
C400 and 800 km
D80 and 400 km
Answer & Solution
Correct answer: D. 80 and 400 km
1. It lies above the mesopause.
2. It spans 80 to 400 km.
3. The exosphere lies above it.
_Source: NCERT Class 11 Fundamentals of Physical Geography, Chapter 8, Composition and Structure of Atmosphere._
Related questions
How many check-dams did Bhujpur villagers build in 1989?Bhujpur's check-dams were built on which river and its tributaries?Bhujpur, where villagers built check-dams in 1989, is in which region?Watering plants through narrow tubes delivering water at the base of the plant is:Bawris, now being revived, were traditional structures for:Using rainwater to recharge groundwater is called:Excessive rains cause floods, while absence of rain results in:Most Indian farmers depend on which source to irrigate crops?