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प्रश्न
State whether the following statement is true or false :
The anode rays obtained from all the gases consist of positively charged particles called protons.
पर्याय
True
False
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उत्तर
False - anode ray is a beam of positive ions or cations.
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संबंधित प्रश्न
Fill in the blank
The outermost shell of an atom is known as............................
Multiple Choice Questions
number of valence electrons present in magnesium is
Explain the rule with example according to which electrons are filled in various energy levels
What are the two main parts of which an atom is made of?
FILL IN THE BLANK
Gases become good conductors of electricity under ........ (low/high) pressure and .............. (low/high) voltage electrical discharge.
FILL IN THE BLANK
The electrons revolving in shells close to the nucleus are called ................... electrons.
WRITE SHORT ANSWER
What do you mean by electron transition?
Compare an electron and a proton in respect of mass and charge.
The particle not present in an ordinary hydrogen atom is :
Draw a neat labelled diagram representing an atom. Name the three sub-atomic particles in the atom and represent them symbolically showing the mass and charge of each. State where the sub-atomic particles are present in the atom.
