An electron is accelerated through a p.d. of 45.5 volt.
In Thomson experiment of finding e/m for electrons, beam of electron is replaced by that of muons
A charge of magnitude 3e and mass 2m is moving in a electric field
The colour of the positive column in a gas discharge tube depends on
The electron of a hydrogen atom revolve round the proton in a circular
The specific charge of an electron is
A charged oil drop of mass
Positive rays are very identical to
Vidicon works on the principle of
The charge on electron was discovered by
A cathode emits
An oil drop carrying a charge q has a mass m kg
In the phenomenon of electron discharge through gases at low pressure, the coloured glow in the tube appears as a result of
If gE and gM are the eccelerations due to gravity on the surface of the earth and the moon respectively
Electron volt is a unit of
Positive rays consists of
millikans oil-drop experiment established that
When cathode-rays strike a metal target of high melting point with a very high velocity, then which of the following are produced
One moving electron when comes closer to other stationary electron
Which of the following law is used in the Millikans method for the determination of charge
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..
In A discharge tube ionization of enclosed gas is
Connect With Answers
We are available 24x7 to answer.
TestprepKart [Answers] is a global answer platform for all students, teachers and contributors to help community grow and share knowledge. TestprepKart [Answers] is primarily focused on School Exam Preparation, Entrance Exam Preparation, UG Admissions Worldwide. Share your doubts and help others getting their answers is the spirit of TestprepKart [Answers].