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Communication System-CBSE Class 12th NCERT Solution


Get, detailed solutions to the questions of the chapter Communication System from NCERT textbooks. The objective is to helping students regarding the pattern of answering the question as per the cbse latest marking scheme.Cbse.jagranjosh.com provided you NCERT solutions for classes 12th math and science subjects.

Some questions of this chapter are given here.

Q. Which of the following frequencies will be suitable for beyond-the horizon communication using sky waves?
a) 10 kHz
b) 10 MHz
c) 1 GHz
d) 1000 GHz

Sol. b

Q. Frequencies in the UHF range normally propagate by means of:
a) Ground waves.
b) Sky waves.
c) Surface waves.
d) Space waves.

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Q. Digital signals
i. do not provide a continuous set of values,
ii. represent values as discrete steps,
iii. can utilize binary system, and
iv. can utilize decimal as well as binary systems.

Which of the above statements are true?
a) (i) and (ii) only
b) (ii) and (iii) only
c) (i), (ii) and (iii) but not (iv)
d) All of (i), (ii), (iii) and (iv).

Sol: c

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Related Searches NCERT Solution,  class 12th Physics ncert solution,  NCERT solution for class 12th,  Communication System,  class 12th Physics
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