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Physics WAEC Past Questions

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261
According to the kinetic theory of gases the collision
of the molecules of a gas with the wall of the container
is mainly responsible for the l. temperature of the
gas ll. viscosity of the gas Ill. pressure of the gas
Which of the statements above is/are correct?
  • A. I only
  • B. II only
  • C. III only
  • D. II and III only
  • E. I, II and III.
View Answer & Discuss (3) WAEC 1993
262
Eight or - particles and size B - particles are emitted from an atom of 92238U before it achieves stability. What is the nucleon number of the final product in the chain reaction?
  • A. 206
  • B. 234
  • C. 238
  • D. 240
  • E. 252
View Answer & Discuss (5) WAEC 1993
263
When an atom is in the ground state, it is said to be
  • A. grounded
  • B. excited
  • C. stable
  • D. ionized
  • E. radiating
View Answer & Discuss WAEC 1993
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264
Which of the following are emitted from a radioactive substance without altering either the nucleon number or the proton number of the substance?
  • A. Gamma rays
  • B. Alpha particles
  • C. Beta particles
  • D. Protons
  • E. Neutrons
View Answer & Discuss WAEC 1993
265
Which of the following is a fundamental quantity?
  • A. Heat capacity
  • B. Electric current
  • C. Torque
  • D. Reactance
  • E. Density
View Answer & Discuss WAEC 1995
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