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Paramagnetic substances are magnestised ...

Paramagnetic substances are magnestised in a magnetic field in the same direction. Paramagnetism is due to the presence of

A

one or more unpaired electrons

B

all paired electrons

C

permanent spin and orbital motion

D

parallel and anti-parallel spins in equal number

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The correct Answer is:
A
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Knowledge Check

  • For a paramagnetic substance

    A
    `mu_r=1`
    B
    `mu_r=0`
    C
    `mu_rgt1`
    D
    `mu_r=i nfi nity`

  • For a paramagnetic substance

    A
    `chi_mpropT`
    B
    `chi_m=T^2`
    C
    `chi_m=T^0`
    D
    `chi_m=propT^-1`

  • Paramagnetic substance on placing in the magnetic field in Guoy's experiment

    A
    its weight decreases
    B
    its weight becomes half
    C
    its weight increases
    D
    no change in its weight

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