Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. WAEC
  4. /
  5. Physics
  6. /
  7. 1998
  8. /
  9. Q53
Question 53

The process of increasing the energy of an atom via inelastic collision with an electron is known as

  • A.ionization
  • B.excitation
  • C.field emission
  • D.photoemission
  • E.thermonic emission
Objective

Question details

Exam body
WAEC
Subject
Physics
Year
1998
Question no.
#53
Type
Objective
Previous · Q52The diagram above represents a section of a pair of vernier calipers. The… Next · Q54 A radioactive nuclide of proton number X emits a \(\beta\)-particle to form a…

More from this paper

  • Q49Which of the following explains the concave meniscus of water in a clean glass…
  • Q50An electron is accelerated from rest through a potential difference of 70kV in a…
  • Q51When light from a source is sent through a gas. i. certain wavelengths are…
  • Q55The frictional effect between the layers of a moving fluid is called
  • Q56Two radioactive elements X and Y have half-lives of 100 and 50 years…
  • Q57It is always not possible to determine exactly and simultaneously the position…
See all Physics 1998 questions
Teacha

Africa's learning & exam readiness platform. Built for students, tutors, and schools.

Platform

  • Courses
  • Mock Exams
  • Past Questions

For You

  • I'm a Tutor
  • I'm a School
  • Pricing

© 2025 Teacha. Built for African learners, tutors, and schools. Teacha is not affiliated with WAEC, NECO, or JAMB. All past questions are sourced from publicly available materials.

Privacy PolicyTerms of UseCookie Policy