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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?

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? Correct Answer Neither 1 nor 2

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

Related Questions

A layer in the Earth's atmosphere called Ionosphere facilitates radio communication. Why? 1. The presence of ozone cause the reflection of radio waves to Earth. 2. Radio waves have a very long wavelength. Which of the statements given above is/are correct?
Four persons Amit, Sumit, Sonam, and Shakshi go to different places from Jaipur via Bus, Train, Metro, and Cab respectively. They travel 1000 km, 980 km, 1200 km, and 1300 km respectively. If the fare (in per km) of the bus is 25% more than the fare of the train. The fare (in per km) of the metro is 20% more than the fare of the train. The fare (in per km) of the cab is 10% more than the fare of the metro. The fare paid by Sonam is how much percent more than the fare paid by Amit.    
Why does the ionosphere of the Earth's atmosphere facilitate radio communication? i. The presence of ozone causes the reflection of radio waves to earth ii. Radio waves have a very long wavelength
The bus fare and train fare of a place from kolkata were Rs. 20 and Rs. 30 respectively. Train fare has been increased by 20% and the bus fare has been increased by 10%. The ratio of new train fare to new bus fare is.
Which of the following statements is/are correct concerning Ozone gas? 1. Good ozone is found in the upper part of the atmosphere called the Troposphere. 2. The thickness of the ozone in a column of air from the ground to the top of the atmosphere is measured in terms of Dobson units (DU).  3. Research indicates that depletion of the stratospheric ozone layer is being reduced worldwide.  Select the correct answer using the code given below.
Three persons Sameer, Renan and Aron travel one day from home to office by different vehicles Bus, Train and Metro respectively.  If total fare collected on that day is Rs. 300, in which fare of metro is 20% more than train. But due to COVID19, fare of Bus is increased by 25%, which is now becomes equal to fare of train. Find fare of metro is how much percent more/less than that of bus before COVID19.
Consider the following statements: 1. Ozone is found mostly in the Stratosphere. 2. Ozone layer lies 55 - 75 km above the surface of the earth. 3. Ozone absorbs ultraviolet radiation from the Sun. 4. Ozone layer has no significance for life on the earth. Which of the above statements are correct?
Which of the following represent represents correct matching of the layers of atmosphere. A. Exosphere (i) Layer help in radio transmission. B. Troposphere (ii) Upper most layer of atmosphere. C. Stratosphere (iii) Lower most layer of atmosphere D. Thermosphere (iv) Layer contains ozone gas.
Which of the following is/are correct in matching the layer of atmosphere and its characteristic ? I. Troposphere : weather phenomena II. Stratosphere : ozone layer III. Ionosphere : radio waves reflected to earth's surface IV. Mesosphere : Aurorae
Which of the following is/are correct in matching the layer of atmosphere and its characteristic ?
I. Troposphere : weather phenomena
II. Stratosphere : ozone layer
III. Ionosphere : radio waves reflected to earth's surface
IV. Mesosphere : Aurorae