NEET-XII-Physics

qstns with ansrs year:2022

with Solutions -
  • #14
    If a soap bubble expands, the pressure inside the bubble:
    (A)is equal to the atmospheric pressure

    (B)decreases
    (C)increases
    (D)remains the same
    digAnsr:   B
    Ans : `` P = P _{0}+\frac{4 T }{ R } ``
    `` \Rightarrow R `` increases and `` P `` decreases