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Online physics JUET, NDA, CDS important questions

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05:07:00

Physics JUET

Important physics Juet Questions
  1. Q1) The divergence of a vector quantity is always

    2. A scalar
    A vector
    Neither salar nor a vector

  2. Q2) Del operator

    3. Is a scalar operator
    Is a vector operator
    May be scalar or vect

  3. Q3) The flux of a vector field emerging per unit small volume around a given point is called

    4. Gradient of a vector
    Divergence of a vector
    Curl of a vector

  4. Gauss's divergence theorem is used to transform

    5. A volume integral into surface integral
    A line integral into surface integral
    A surface integral into line integral

  5. Q5) The divergence of curl of a vector is

    6. Zero
    1
    -1

  6. Q6) The curl of gradient of a scalar function is.

    7. Zero
    1
    -1

  7. Q7) The speed of electromagnetic waves in vaccum depends upon

    8. Frequency
    Wavelength
    None of these

  8. Q8) The electromagnetic waves do not transport

    9. Energy
    Charge
    Momentum

  9. Q9) The e.m waves which have revolutionized telecommunication in recent times are

    10. Microwaves
    Radiowaves
    Lightwaves

  10. Q10) When a plane e.m wave enter from one medium into another, which characteristic remains unchan

    11. Electric field amplitude
    Frequency
    Wavelength

All the best.

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