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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
उत्तर
False - anode ray is a beam of positive ions or cations.
APPEARS IN
संबंधित प्रश्न
Write true or false for the following statement
The maximum number of electrons in the first shell can be 8.
FILL IN THE BLANK
In an atom, the last shell containing electrons is called its..................shell.
Tick the most appropriate answer.
In 1908, R A Millikan found the charge of an electron to be
- 1.6 x 10-19 C
- 1.6 x 10-15 C
- 1.4 x 10-19 C
- 1.6 x 19-16 C.
Tick the most appropriate answer
β-particles are actually a stream of
- protons
- electrons
- neutrons
- none of these
WRITE SHORT ANSWER
What is an atom?
Fill in the blank of the following statement :
The electron has _________ charge, the proton has _________ charge, and the neutron has _________ charge.
Which of the following statement is always correct?
State its one drawback of Rutherford’s atomic model.
Define the term Valence shell.
Explain in brief – Goldstein’s experiment which led to the discovery of the proton.
