Jagran Josh Logo

Communication System-CBSE Class 12th NCERT Solution

Aug 31, 2013 17:27 IST

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.

To get the complete study material for this chapter, Click Here

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

To Get the Complete Solved Chapter, Click Here

Highlights
  • Citing safety concerns, non-Kashmiri students demand
  • They are also calling for action against cops who lathicharged students
  • NIT campus has been tense since students clashed over Indias T20 defeat

Post Comment
Suggested Colleges

Register to get FREE updates

    All Fields Mandatory
  • (Ex:9123456789)
  • Please Select Your Interest
  • Please specify

  • By clicking on Submit button, you agree to our terms of use
    ajax-loader
  • A verifcation code has been sent to
    your mobile number

    Please enter the verification code below

Stay Connected

Subscribe Newsletter

Straight To Your Inbox
or
LikeJagranjosh on Facebook!
Newsletter Signup
Follow us on
X

Register to view Complete PDF