Recent content by Dr. Manoj

  1. Dr. Manoj

    PN Junction Diode: Diffusion vs. Drift Current

    What exactly is difference between diffusion current and drift current?
  2. Dr. Manoj

    Kinematics Equation: S = Ut + ½a t^2 - Why "s"?

    In equation 1, S represents displacement. So displacement is shortest distance between any two points. So X-X' is used to get displacement vector. Where X&X' are position vectors
  3. Dr. Manoj

    Zener Diode Breakdown: Effects on PN Junction & Holes/Electrons

    Once the zener Diode is formed by breakdown of pn junction Diode, potential across Diode remains constant. If we again change the configurations from reverse bias to forward bias, is it possible to get back the normal pn junction as before the breakdown and will potential across junction be...
  4. Dr. Manoj

    How does the inert pair effect affect atoms?

    What exactly is inert pair effect? Please explain how is character shown by atoms increase/decrease along group and periods. What has to be done to increase this effect on an atom?
  5. Dr. Manoj

    Speed of Light in All Reference Frames: A Question

    Sorry I've reposted the corrected question again in comments please check it out. Thanks for correcting me
  6. Dr. Manoj

    Speed of Light in All Reference Frames: A Question

    Thank you for clearing my doubt. I got you. Means even if we are moving with whatever possible speed less than speed of light, with respect to the frame, we still see the speed of light to be 3X10^8 m/s only right?
  7. Dr. Manoj

    Why Is the Photoelectric Effect Considered Proof of Light's Particle Nature?

    But I've learned recently that, if wavelength of incident radiation decreases, kinetic energy of photoelectron increases and if frequency increases, photoelectric current also increases. So as there is relation between wavelength and kinetic energy of photoelectron, frequency and photoelectric...
  8. Dr. Manoj

    How can kinetic friction force be constant if....?

    If you are applying force there is an acceleration. If there is increasing acceleration, you speed will not be constant. If you need constant speed maintain constant acceleration. Else if cup isn't moving even you maintained constant acceleration, maybe your force isn't crossing limiting static...
  9. Dr. Manoj

    B Are photons particles or waves?

    Usually light is of dual nature, wave as well as particle. Youngs double slit experiment is an experiment that proves wave nature of light and photoelectric effect proves particle nature of light. But main drawback of wave theory was consideration of presence of eather medium by Huygen
  10. Dr. Manoj

    Speed of Light in All Reference Frames: A Question

    It's said that, speed of light is same in every frame is reference. Consider an ideal situation, if I'm also moving at the speed of light, will I feel light to be at rest or still at the speed of light itself according to my frame of reference?
  11. Dr. Manoj

    Why Is the Photoelectric Effect Considered Proof of Light's Particle Nature?

    I've a doubt regarding photoelectric effect. It's said that photoelectric effect is proof for light to be a particle. But, when seen into the theory, relations between wavelength and kinetic energy, frequency and photoelectric current are explained. The means we have used wave characters like...
  12. Dr. Manoj

    Why Can't Scuba Kits Be Filled with Only Oxygen?

    I read in my textbook that Scuba kit has mixture of air such as nitrogen hydrogen and oxygen sometimes even helium is used instead of nitrogen. As pressure increases going deep in oceans, solubility of gas in liquid increases. So oxygen starts to dissolve quickly. But I don't understand why...
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