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Dual Nature of ...

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  • Question 1
    4 / -1

    In the following diagram if V1 > V2 then........

  • Question 2
    4 / -1

    A point source of light is used n an experiment on photoelectric effect. Which of the following curves best represent the variation of photo current (i) with distance (d) of the source from the emitter.

  • Question 3
    4 / -1

    In a parabola spectrograph, the velocities of four positive ions P, Q, R and S are u1, u2, u3 and u4 respectively. Then

  • Question 4
    4 / -1

    In Thomson spectrograph experiment, four positive ions P, Q, R and S are situated on Y-X curve a shown in the figure.

  • Question 5
    4 / -1

    Kinetic energy of photo electron EK changes with frequency (f) of light. Which of the following graph represents this emission ?

  • Question 6
    4 / -1

    Which of the following graph shows change in momentum of particle which de-Broglie wavelength ?

  • Question 7
    4 / -1

    In a photocell, the curve for current 1 versus potential difference V is best represented by Fig.

  • Question 8
    4 / -1

    The curves (a), (b), (c) and (d) show the variation between the applied potential difference (V) and the photoelectric current (i), at two different intensities of light (I1 > I2) In which figure is the correct variation shown

  • Question 9
    4 / -1

    Millikan\'s oil-drop experiment established that

  • Question 10
    4 / -1

    The cathode rays have particle nature because of the fact that

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