Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. WAEC
  4. /
  5. Physics
  6. /
  7. 2013
  8. /
  9. Q21
Question 21

the equation of a certain progressive transverse wave is y = 2 sin 2 \(\pi ( \frac{1}{0.01} - \frac{x}{30})\), where x and y are in cm and t in seconds. Calculate the period of the wave

  • A.0.001s
  • B.0.010s
  • C.10.000s
  • D.100.000s
Objective

Question details

Exam body
WAEC
Subject
Physics
Year
2013
Question no.
#21
Type
Objective
Previous · Q20When salt is dissolved in water, the freezing point of the water Next · Q22 At which position should an object be placed in front of a concave mirror in…

More from this paper

  • Q17The volume of a given mass of gas at 27 o C and 800 mmHg is 76cm 2 . Calculate…
  • Q18Ice of mass 10g at 5°C was completely converted to water at 0oC, calculate…
  • Q19An electric heater has a resistance of 50\(\Omega\). When it is immersed in…
  • Q23Images formed by a convex mirror are always
  • Q24The refractive index of a material is 1.5. Calculate the critical angle at the…
  • Q25A diverging lens of focal length 30cm produces an image 20cm from the lens…
See all Physics 2013 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