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Q1.
A small ball of radius 2 cm executes SHM in a hemispherical bowl of radius 42 cm. Find the time period of oscillation. Take π=3.14 and g=10 m/s2
  1. 2.5 s
  2. 5 s
  3. 1.25 s
  4. 0.75 s
Q2.
A spherical ball of radius 5.5 cm is oscillating in a hemispherical bowl. If the time taken to complete one oscillation by the ball is π2s, then find the radius of hemispherical bowl.
  1. 58 cm
  2. 60 cm
  3. 68 cm
  4. 32 cm
Q3.
A hemispherical bowl has a radius 3.5 cm. Its volume _______ cm3.
Q4.
A hemispherical bowl has internal radius of 3cm then the capacity of the bowl is c.c. is

  1. 21π
  2. 18π
  3. 15π
  4. 24π
Q5.
A small ball of radius r rolls down without sliding in a big hemispherical bowl of radius R. What would be the ratio of the translational and rotational kinetic energies at the bottom of the bowl.
  1. 2:1
  2. 3:2
  3. 4:3
  4. 5:2

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