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1.
In the graph given below. If the slope is 
-
then value of 
should be
- then value of should be
2.
The de-Broglie wavelength of an electron, 
- particle and proton all having the same kinetic energy is respectively given as 
Then which of the following is not true?
- particle and proton all having the same kinetic energy is respectively given as Then which of the following is not true?
3.
In Milikan's experiment, an oil drop having charge 
gets stationary on applying a potential difference 
in between two plates separated by a distance 
The weight of the drop is
gets stationary on applying a potential difference in between two plates separated by a distance The weight of the drop is