Sub-Atomic Particles
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CHXI02:STRUCTURE OF ATOM

307624 Which of the following statement is not correct about the characteristics of cathode rays?

1 They start form the cathode and move towards the anode.
2 They travel in straight line in the absence of an external electric or magnetic field.
3 Characteristics of cathode rays do not depend upon the material of electrodes in cathode ray tube.
4 Characteristics of cathode rays depend upon the nature of gas present in the cathode ray tube.
CHXI02:STRUCTURE OF ATOM

307625 An oil drop has \({\rm{6}}{\rm{.39 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}\,{\rm{C}}\) charge. The number of electrons in this drop is

1 \({\rm{2}}\)
2 \({\rm{3}}\)
3 \({\rm{4}}\)
4 \({\rm{5}}\)
CHXI02:STRUCTURE OF ATOM

307626 In which of the following the amount of deviation from their path in the presence of electric and magnetic field will be maximum?

1 \({{\rm{N}}^{{\rm{2 - }}}}\)
2 \({{\rm{N}}^{{\rm{3 - }}}}\)
3 \({{\rm{N}}^{\rm{ - }}}\)
4 \(N\)
CHXI02:STRUCTURE OF ATOM

307627 In an oil drop experiment, the following charges (in arbitrary units) were found on a series of oil droplets
\({\mathrm{2.30 \times 10^{-15}, 6.90 \times 10^{-15}, 1.38 \times 10^{-14}}}\)
\({\mathrm{5.75 \times 10^{-15}, 3.45 \times 10^{-15}, 1.96 \times 10^{-14}}}\)
The magnitude of charge on the electron (in the same unit) is

1 \(2.15 \times {10^{ - 15}}\)
2 \(1.15 \times {10^{ - 15}}\)
3 \(4.45 \times {10^{ - 15}}\)
4 \(6 \times {10^{ - 15}}\)
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CHXI02:STRUCTURE OF ATOM

307624 Which of the following statement is not correct about the characteristics of cathode rays?

1 They start form the cathode and move towards the anode.
2 They travel in straight line in the absence of an external electric or magnetic field.
3 Characteristics of cathode rays do not depend upon the material of electrodes in cathode ray tube.
4 Characteristics of cathode rays depend upon the nature of gas present in the cathode ray tube.
CHXI02:STRUCTURE OF ATOM

307625 An oil drop has \({\rm{6}}{\rm{.39 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}\,{\rm{C}}\) charge. The number of electrons in this drop is

1 \({\rm{2}}\)
2 \({\rm{3}}\)
3 \({\rm{4}}\)
4 \({\rm{5}}\)
CHXI02:STRUCTURE OF ATOM

307626 In which of the following the amount of deviation from their path in the presence of electric and magnetic field will be maximum?

1 \({{\rm{N}}^{{\rm{2 - }}}}\)
2 \({{\rm{N}}^{{\rm{3 - }}}}\)
3 \({{\rm{N}}^{\rm{ - }}}\)
4 \(N\)
CHXI02:STRUCTURE OF ATOM

307627 In an oil drop experiment, the following charges (in arbitrary units) were found on a series of oil droplets
\({\mathrm{2.30 \times 10^{-15}, 6.90 \times 10^{-15}, 1.38 \times 10^{-14}}}\)
\({\mathrm{5.75 \times 10^{-15}, 3.45 \times 10^{-15}, 1.96 \times 10^{-14}}}\)
The magnitude of charge on the electron (in the same unit) is

1 \(2.15 \times {10^{ - 15}}\)
2 \(1.15 \times {10^{ - 15}}\)
3 \(4.45 \times {10^{ - 15}}\)
4 \(6 \times {10^{ - 15}}\)
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CHXI02:STRUCTURE OF ATOM

307624 Which of the following statement is not correct about the characteristics of cathode rays?

1 They start form the cathode and move towards the anode.
2 They travel in straight line in the absence of an external electric or magnetic field.
3 Characteristics of cathode rays do not depend upon the material of electrodes in cathode ray tube.
4 Characteristics of cathode rays depend upon the nature of gas present in the cathode ray tube.
CHXI02:STRUCTURE OF ATOM

307625 An oil drop has \({\rm{6}}{\rm{.39 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}\,{\rm{C}}\) charge. The number of electrons in this drop is

1 \({\rm{2}}\)
2 \({\rm{3}}\)
3 \({\rm{4}}\)
4 \({\rm{5}}\)
CHXI02:STRUCTURE OF ATOM

307626 In which of the following the amount of deviation from their path in the presence of electric and magnetic field will be maximum?

1 \({{\rm{N}}^{{\rm{2 - }}}}\)
2 \({{\rm{N}}^{{\rm{3 - }}}}\)
3 \({{\rm{N}}^{\rm{ - }}}\)
4 \(N\)
CHXI02:STRUCTURE OF ATOM

307627 In an oil drop experiment, the following charges (in arbitrary units) were found on a series of oil droplets
\({\mathrm{2.30 \times 10^{-15}, 6.90 \times 10^{-15}, 1.38 \times 10^{-14}}}\)
\({\mathrm{5.75 \times 10^{-15}, 3.45 \times 10^{-15}, 1.96 \times 10^{-14}}}\)
The magnitude of charge on the electron (in the same unit) is

1 \(2.15 \times {10^{ - 15}}\)
2 \(1.15 \times {10^{ - 15}}\)
3 \(4.45 \times {10^{ - 15}}\)
4 \(6 \times {10^{ - 15}}\)
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CHXI02:STRUCTURE OF ATOM

307624 Which of the following statement is not correct about the characteristics of cathode rays?

1 They start form the cathode and move towards the anode.
2 They travel in straight line in the absence of an external electric or magnetic field.
3 Characteristics of cathode rays do not depend upon the material of electrodes in cathode ray tube.
4 Characteristics of cathode rays depend upon the nature of gas present in the cathode ray tube.
CHXI02:STRUCTURE OF ATOM

307625 An oil drop has \({\rm{6}}{\rm{.39 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}\,{\rm{C}}\) charge. The number of electrons in this drop is

1 \({\rm{2}}\)
2 \({\rm{3}}\)
3 \({\rm{4}}\)
4 \({\rm{5}}\)
CHXI02:STRUCTURE OF ATOM

307626 In which of the following the amount of deviation from their path in the presence of electric and magnetic field will be maximum?

1 \({{\rm{N}}^{{\rm{2 - }}}}\)
2 \({{\rm{N}}^{{\rm{3 - }}}}\)
3 \({{\rm{N}}^{\rm{ - }}}\)
4 \(N\)
CHXI02:STRUCTURE OF ATOM

307627 In an oil drop experiment, the following charges (in arbitrary units) were found on a series of oil droplets
\({\mathrm{2.30 \times 10^{-15}, 6.90 \times 10^{-15}, 1.38 \times 10^{-14}}}\)
\({\mathrm{5.75 \times 10^{-15}, 3.45 \times 10^{-15}, 1.96 \times 10^{-14}}}\)
The magnitude of charge on the electron (in the same unit) is

1 \(2.15 \times {10^{ - 15}}\)
2 \(1.15 \times {10^{ - 15}}\)
3 \(4.45 \times {10^{ - 15}}\)
4 \(6 \times {10^{ - 15}}\)
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