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The highest value of e/m of anode rays h...

The highest value of e/m of anode rays has been observed when the discharge tube is filled with:

A

nitrogen

B

oxygen

C

hydrogen

D

helium

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RESONANCE ENGLISH-DPP-QUESTIONS
  1. Which of the following statements is/are INCORRECT regarding anode ray...

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  2. Select the correct statement(s) :

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  3. The highest value of e/m of anode rays has been observed when the disc...

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  4. Match the column :

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  5. Which of the following shows an increasing value of e//m?

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  6. The ratio of specific charge of a proton and an alpha-particle is

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  7. Which has highest specific charge?

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  8. Rutherford's experiment , which established the nuclear model of the ...

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  9. The mass of an electron in amu is

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  10. How many moles of protons will have total charge equal to about 4825 c...

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  11. Which of the following samples does not contain a total of 1.8066xx10^...

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  12. Total number of H2 molecules that can be obtained from all hydrogen at...

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  13. The number of neutrons present in 7 gm of phosphonium (PH4^+) ion is [...

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  14. Total number of ions in 17.1 g Al2(SO4)3 is [NA=6xx10^23]

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  15. If 36 grams of ozone gas is replaced by an another unknown gas 'X' kee...

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  16. The kinetic energy of the electron present in the gound state of Li^(2...

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  17. a-particles are projected towards the following metals,with the same k...

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  18. Which of the following pairs has different values of e/m:

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  19. As an electron (at rest) is brought towards a proton from infinity, it...

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  20. A wavelength of 400 nm of an electromagnetic radiation is correspondin...

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