Home
Class 11
PHYSICS
Assertion: Microwave communication is pr...

Assertion: Microwave communication is preferred over optical communication.
Reason: Information carrying capacity is directly proportional to bandwidth.

A

Statetment-I is True, Statement-II is True , Statement-II is a correct explanation for Statement-I

B

Statement-I is True, Statement-II is True , Statement-II is NOT a correct explanation for Statement-I

C

Statement-I is True, Statement-II is False

D

Statement-I is False, Statement-II is True

Text Solution

Verified by Experts

The correct Answer is:
D
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • SEMICONDUCTORS

    ALLEN|Exercise Part-3(Exercise-4)|51 Videos

  • SEMICONDUCTORS

    ALLEN|Exercise Part-3(Exercise-2)|49 Videos

  • PHYSICAL WORLD, UNITS AND DIMENSIONS & ERRORS IN MEASUREMENT

    ALLEN|Exercise EXERCISE-IV|8 Videos

  • WAVES AND OSCILLATIONS

    ALLEN|Exercise Part-1(Exercise-05)[B]|42 Videos

Similar Questions

Explore conceptually related problems

A: Optical communication system is more economical than other system of communications. R: The information carrying capacity of a communication system is directly proportional to its band width.

Optical fibre. communication is generally preferred over general communication system because

Knowledge Check

  • Assertion: Elevation in boiling point is a colligative property. Reason: Elevation in boiling point is directly proportional to molarity.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion.
    B
    If both assertion and reason are true, but reason is not the correct explanation of assertion.
    C
    If assertion is true, but reason is false.
    D
    If both assertion and reason are false

  • Assertion: Charge on all the condensers connected is series in the same. Reason : Capacitance of capacitor is directly proportional to charge on it.

    A
    If both assertion and reason are ture and reason is the correct explanation of assertion.
    B
    If both assertin and reason are ture but reason is not the correct explanation of assertion .
    C
    If assertion is true but reason is false.
    D
    If both assertion and reason are false.

  • Assertion : When a thin transparent sheet is placed in front of both the slits of Young's experiment, the fringe width will remains same. Reason : In Young's experiment, the fringe width is directly proportional to wavelength of the source used.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion.
    C
    If assertion is true but reason is false.
    D
    If both assertion and reason are false.

    • Similar Questions

    Explore conceptually related problems

    Assertion : A screw gauge having a smaller value of pitch has greater accuracy. Reason : The least count of screw gauge is directly proportional to the number of divisions on circular scale.

    (A) : Optical communication is preferred to microwave communication (R) : Microwaves provide large number of channels and bandwidth as compared to optical signals.

    Assertion (A): Vapour pressure of 0.5 M sugar solution is more than 0.5 M KCl solution. Reason (R): Relative lowering of vapour pressure is directly proportional to the number of species present in the solution.

    Assertion: In a hydrogen atom energy of emitted photon corresponding to transition from n = 2 to n = 1 is such greater as compared to transition from n=oo to n = 2 . Reason: Wavelength of photon is directly proportional to the energy of emitted photon.

    Assertion: Newton's second law of motion gives the measurement of force. Reason: According to Newton's second law of motion, force is directly proportional to the rate of change of momentum.

    Home
    Profile