Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. FUNAAB
  4. /
  5. Physics
  6. /
  7. 2019/2020
  8. /
  9. Q39
Question 39

An electron moves with a speed of 2.0 × 108ms-1 in a straight line. Calculate the wavelength of the electron wave. [mass of an electron = 9.1 × 10-31Kg, Planck's constant = 6.6 × 10-34]

  • A.3.63 × 10-10m
  • B.6.51 × 10-9m
  • C.4.24 × 10-8m
  • D.7.25 × 10-8m
Objective

Question details

Exam body
FUNAAB
Subject
Physics
Year
2019/2020
Question no.
#39
Type
Objective
Previous · Q38The main function of a transformer in an a.c radio set is to Next · Q40 In an a.c circuit that contains only a capacitor, the voltage lags behind the…

More from this paper

  • Q35A solid of mass 0.5kg initially at 50°C melts at 60°C. Calculate the…
  • Q36Which of the following properties of a long steel bar would alter if the bar…
  • Q37The current in a reverse-biased junction is due to
  • Q41If two inductors of inductance 3H and 6H are arranged in series, the total…
  • Q42What is the number of neutrons in the uranium isotope, 238 92 U?
  • Q43The amount of energy released when 0.5kg of uranium is burnt completely is [c =…
See all Physics 2019/2020 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