EASY
UPSC CAPF AC Paper - I
IMPORTANT
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Which one of the following descriptions is correct?

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Important Questions on Science & Technology

EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 12 - Science & Technology>Exercise 6>Q 55
Which one of the following ranges of frequency the radio wave is used to transmit signals from the wireless handset to the base station?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 12 - Science & Technology>Exercise 6>Q 56
Which one of the following descriptions is correct about the Asymmetric Digital Subscriber Line 2 plus (ADSL2+)?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 12 - Science & Technology>Exercise 6>Q 57

Consider the following statements

1. Symmetric Digital Subscriber Line (SDSL) is a collection of internet access technologies that offer symmetric upstream and downstream bandwidth.

2. Asymmetric Digital Subscriber Line (ADSL) provides greater bandwidth toward downstream than upstream.

Which of the statements given above is/are correct?

EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 12 - Science & Technology>Exercise 6>Q 58

Match List I (Bands) with List II (The Frequency Ranges) and select the correct answer using the codes given below the lists.

 

List I  List II
A. L-band     1. 30 to 50GHz
B. S-band   2. 1 to 2 GHz
C. C-band   3. 2 to 4 GHz
D. Q-band   4. 4 to 8 GHz

  

EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 12 - Science & Technology>Exercise 6>Q 59
The microwaves region of the electromagnetic spectrum ranges from 0.5 GHz to 300 GHz, then which one of the following ranges is commonly used in the telecommunication sectors?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 12 - Science & Technology>Exercise 6>Q 60

Consider the following statements

1. Satellite telephone connects to orbiting satellites instead of terrestrial cell sites.

2. Satellite telephone provides the voice, short messaging and low-bandwidth internet services.

Which of the statement(s) given above is/are correct?

EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 12 - Science & Technology>Exercise 6>Q 61

Direction: Consider the following statements-
1.K-band is the portion of the radio waves of electromagnetic spectra.
2.K-band is easily absorbed by the water vapour.
Which of the statements given above is/are correct?

EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 12 - Science & Technology>Exercise 6>Q 62

Direction: Consider the following K-bands-
1. K-band   
2.Ka-band
3.Ku-band
Arrange the bands given above chronologically according to the increase (from low to high) in their frequency.