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Energy of electromagnetic waves is due t...

Energy of electromagnetic waves is due to their

A

wavelength

B

frequency

C

electric and magnetic field

D

none of the above

Text Solution

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The correct Answer is:
C
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Electromagnetic Waves Questions

Knowledge Check

  • The electromagnetic waves

    A
    travel with the speed of sound
    B
    travel with the same speed in all media
    C
    travel in free space with the speed of light
    D
    do not travel through a medium

  • Electromagnetic waves are

    A
    transverse
    B
    longitudinal
    C
    longitudinal or transverse
    D
    none of these

  • Speed of electromagnetic waves is given

    A
    `c = (1)/sqrt(mu_(0)epsi_(0))`
    B
    `c = sqrt(mu_(0)epsi_(0))`
    C
    `c = (1)/(mu_(0)epsi_(0))`
    D
    `c = mu_(0)epsi_(0)`
    • FIITJEE-ELECTROMAGNETIC WAVE & WAVE OPTICS-ASSIGNMENT PROBLEMS Objective : Level-II (MULTI CHOICE SINGLE CORRECT)
    1. Energy of electromagnetic waves is due to their

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    2. The average value of electric energy density in an electromagnetic wav...

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    3. Electromagnetic waves are

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    4. An electromagnetic wave going through vacuum is described by E= E0 s...

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    5. The energy contained in a small volume through which an electromagneti...

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    6. If V(g),V(x) and V(m) are the speeds of gamma rays, x-rays and microwa...

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    7. An electromagnetic wave going through vacuum is described by E= E0 s...

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    8. A double-slit interference pattern is formed on a screen in a Young's ...

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    9. Light waves of wavelength 5460 A, emitted by two coherent sources, mee...

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    10. The measure of radius of a sphere is (4.22 +2%) cm. The percentage err...

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    11. Circular scale of a screw gauge moves through 4 divisions of main scal...

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    12. If error in the measurement of mass is 0.8 of and in volume it is 0.4%...

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    13. In Young's double slit experiment parallel monochromatic light is inci...

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    14. In Young's double slit experiment the 7th maximum with wavelength lamb...

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    15. In an apparatus the electric field was found to oscillate with an ampl...

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    16. Which of the following are not electromagnetic waves ?

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    17. A beam of unpolarised light of intensity I0 is passed through a polaro...

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    18. A plane electromagnetic wave-varies sinusoidally at 900 MHz as it trav...

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    19. A slit of width d is placed in front of a l ens of focal length 0.5m a...

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    20. Light from a sodium lamp. lambda. = 600 nm, is diffracted by a slit of...

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