A layer in the Earth's atmosphere called Ionosphere facilitates radio communication. Why? 1. The presence of ozone causes the reflection of radio waves to Earth. 2. Radio waves have a very long wavelength. Which of the statements given above is fare correct?

Question

নিচের অপশন গুলা দেখুন

• Both 1and 2
• 1 only
• 2 only
• Neither 1 nor 2

Answer 1

সঠিক উত্তর হচ্ছে: Neither 1 nor 2

ব্যাখ্যা:

A layer in the Earth's atmosphere called Ionosphere facilitates radio communication.