Which one of the following layers of the atmosphere is responsible for the deflection of radio waves?

Related MCQs

• 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? [CSAT 2011]
• Consider the following statements: 1. P - waves are the first seismic waves to reach a place 2. S - waves travel only through liquids 3. Arrival time of P and S - waves is used to locate the epicentre 4. Richter scale is a logarithmic scale Which of the statements given above are correct? [IAS2004]
• Which of the following is/are correct in matching the layer of atmosphere and its characteristic ? 1. Troposphere : weather phenomena 2. Stratosphere : ozone layer 3. Ionosphere : radio waves reflected to earth's surface 4. Mesosphere : Aurorae
• Which of the following are true regarding ionosphere? 1. It is the uppermost layer of atmosphere 2. The molecules and atoms of nitrogen and oxygen in this layer absorb a part of solar radiation and become ionized 3. This layer is responsible for reflecting back the radio wave~ transmitted from the earth
• Which of the following is/are matched correctly? 1. Earthquake's origin - seismic focus 2. Epicentre - point on earth's surface directly above seismic focus 3. 5 waves - similar to sound waves 4. Richter scale - severity of earthquake
• Which of the following layers of the Earth's atmosphere provide ideal flying conditions for Jet aircraft?
• Consider the following statements: 1. Nearly 99 percent of the total mass of the atmosphere lies within 30 km of the Earth's surface. 2. The proportion of ozone in the atmosphere increases to a maximum at about 60 km from Earth's surface. Which of the statements given above is/are correct? [IAS 2008]
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