Indian Geography UPPSC 1998 GS-I
Question

Wireless communication is reflected back to the earth's surface by the:

Answer & Solution

Answer: (Detailed Solution Below)

Option C: Ionosphere

Detailed Solution:

The correct answer is “Ionosphere”.

The ionosphere is a layer of the Earth's atmosphere containing free electrons and ions. These charged particles can reflect radio waves back to Earth, making long-distance radio communication possible.

Similar Questions:

The population of four states in the country in descending order is:
  1. West Bengal, Maharashtra, M. P., Tamil Nadu
  2. Maharshtra, West Bengal, M.P., Bengal
  3. Maharashtra, Bihar, West Bengal, Andhra Pradesh
  4. M.P., Maharashtra, Tamil Nadu, West Bengal
Diesel Locomotive engines are manufactured in India at-
  1. Chitranjan
  2. Jamshedpur
  3. Varanasi
  4. Chennai
Which of the following coasts is the largest tidal energy producing area in India ?
  1. North Circars Coast
  2. Mannar Coast
  3. Khambhat Coast
  4. Kerala Coast
Which one of the following is not correctly matched?
  1. Madhya Pradesh – Chhattisgarh Plain
  2. Bihar– Chota Nagpur Plateau
  3. Maharashtra – Rain Shadow Region
  4. Andhra Pradesh– Malnad
Located between the Narmada and Tapti rivers:
  1. Vindhya mountains
  2. Satpura plateau
  3. Rajmahal Hills
  4. Aravali Hills
Which of the following Indian island lies between India and Sri Lanka?
  1. Elephanta
  2. Nicobar
  3. Rameshwaram
  4. Salsette
In which state the Monsoons arrive first?
  1. Assam
  2. West Bengal
  3. Maharashtra
  4. Kerala
Which factors have facilitated the locational shift of the sugar industry from North India to South India?

1. Per acre higher yield of sugar cane
2. Higher sucrose content of sugar cane
3. Longer crushing season
4. Cheap labour

Select the correct answer from the codes given below-
Codes :
  1. 1 and 2
  2. 2 and 3
  3. 1, 2 and 3
  4. 2, 3 and 4
Among the SAARC countries the most densely populated country is:
  1. Bangladesh
  2. India
  3. Pakistan
  4. Maldives
Which Five Year Plan operated in India during April 1992- March 1997?
  1. Sixth Plan
  2. Seventh Plan
  3. Eighth Plan
  4. Rolling Plan
Assertion (A): All cities are growing rapidly.
Reason (R): The rural-urban stream is ever rising.

Now, select the correct answer from codes given below:
Codes:
  1. Both A and R are true and R is the correct explanation of A
  2. Both A and Rare true but R is NOT the correct explanation of A
  3. A is true but R is false
  4. A is false but R is true
Which one of the following uprisings occurred in Maharastra?
  1. Bhil uprising
  2. Kol uprising
  3. Rampa uprising
  4. Santhal uprising