Properties of Positive Rays Quiz Questions and Answers PDF Download eBook
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Quiz on Properties of Positive Rays PDF Download eBook
MCQ: For heavier gases in positive rays production, e\m ratio is
- high
- small
- very minute
- moderate
B
MCQ: The packing of metals can be understood by taking an example of packing of
- grapes
- squares
- balls
- pencils
C
MCQ: Proton rays were discovered by
- E.Goldstein
- Edward
- Thomson
- J Perrin
A
MCQ: Digital watches use
- liquid crystals
- solids
- gases
- plasma
A
MCQ: Solvent extraction is better if repeated extractions are done using
- Large solvent
- small solvent
- extra solvent
- normal solvent
B