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Popular Questions
- Order of q/m ratio of proton
- In Thomson experiment of finding e/m for electrons, beam of electron is replaced by that of muons
- The colour of the positive column in a gas discharge tube depends on
- A charge of magnitude 3e and mass 2m is moving in a electric field
- The specific charge of an electron is
- An oil drop carrying a charge q has a mass m kg
- If gE and gM are the eccelerations due to gravity on the surface of the earth and the moon respectively
- When cathode-rays strike a metal target of high melting point with a very high velocity, then which of the following are produced
- Positive rays are very identical to
- A charged oil drop of mass
- Vidicon works on the principle of
- The charge on electron was discovered by
- Electron volt is a unit of
- Positive rays consists of
- A cathode emits
- Which of the following law is used in the Millikans method for the determination of charge
- One moving electron when comes closer to other stationary electron
- In A discharge tube ionization of enclosed gas is
- millikans oil-drop experiment established that
- The electron of a hydrogen atom revolve round the proton in a circular
- In the phenomenon of electron discharge through gases at low pressure, the coloured glow in the tube appears as a result of
- a beam of cathode rays is subjected to crossed Electric (E) and Magnetic field (B)
- The value +1/2 and -1/2 of spin quantum number show
- O++, C+ , He++ and H+ ions are projected on the photographic plate with same velocity in a mass spectrograph. Which one will strik..
