The temperature increases rapidly after ¾.

ক. exosphere

খ. ionosphere

গ. stratosphere

ঘ. troposphere

উত্তর: ionosphere

ব্যাখ্যা: The Earth's atmosphere has layers with varying temperatures. The troposphere cools with height, and the stratosphere warms due to the ozone layer. However, the most rapid temperature increase occurs in the ionosphere (which is part of the thermosphere), where high-energy solar radiation is absorbed.

Admission RU A প্রশ্নব্যাংক ২০১৫-২০১৬ MCQ — Prosthuti প্রশ্নব্যাংক