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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.
विकल्प
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
Neutrons are .......................... particles having mass equal to that of protons.
Write true or false for the following statement
The maximum number of electrons in the first shell can be 8.
Write true or false for the following statement
The central pad of the atom is called nucleus.
Give the following a suitable word/phrase.
The electrons present in the outermost shell.
FILL IN THE BLANK
Gases become good conductors of electricity under ........ (low/high) pressure and .............. (low/high) voltage electrical discharge.
Tick the most appropriate answer.
How many times is a proton heavier than an electron?
- 1500
- 1800
- 1840
- none of these
Fill in the blank of the following statement :
The electron has _________ charge, the proton has _________ charge, and the neutron has _________ charge.
The particle not present in an ordinary hydrogen atom is :
Name the sub-atomic particle whose charge is 0.
What is meant by the term subatomic particles?
