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CBSE-XI-Physics

04: The Forces

with Solutions -
Qstn# ii-1 Prvs-QstnNext-Qstn
  • #1
    When Neils Bohr shook hand with Werner Heisenberg, what kind of force they exerted?
    -(a) Gravitational
    (b) Electromagnetic
    (c) Nuclear
    (d) Weak.
    digAnsr:   b
    Ans : (b) Electromagnetic
    When Neils Bohr shook hand with Werner Heisenberg, electromagnetic force is exerted on each other. This is because when their hands made contact with each other, the atoms at the two surfaces come close to each other. The charged constituents of the atoms in the hands exert forces on each other and, as a result, a measurable force is produced.