WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709

Physics Past Questions

Clear Selections
Change Subject Post a Question Check Syllabus Study My Bookmarks Past Questions Videos Watch Video Lessons Download App

Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
16

The equation of a wave traveling along the positive x-direction is given by;
y = 0.25 x 10\(^{-3}\) sin (500t - 0.025x).
Determine the angular frequency of the wave motion.

  • A. 0.25 x 10-3rad s-1
  • B. 0.25 x 10-1rad s-1
  • C. 5.00 x 102rad s-1
  • D. 2.50 x 103rad s-1
View Answer & Discuss (40) JAMB 1999
17
If a sound wave goes from a cold air region to a hot air region, its wavelength will
  • A. increase
  • B. decrease
  • C. decrease then increase
  • D. remain constant
View Answer & Discuss (46) JAMB 1999
18
The lowest note emitted by a stretched string has a frequency of 40Hz. How many overtones are there between 40hz and 180Hz?
  • A. 4
  • B. 3
  • C. 2
  • D. 1
View Answer & Discuss (8) JAMB 1999
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
19
A man stands 4m in front of a plane mirror. If the mirror is moved 1m towards the man, the distance between him and his new image is
  • A. 3m
  • B. 5m
  • C. 6m
  • D. 10m
View Answer & Discuss (16) JAMB 1999
20
The inside portion of part of a hollow metal sphere of diameter 20cm is polished. The portion will therefore form a
  • A. concave mirror of focal length 5cm
  • B. concave mirror of focal length 10cm
  • C. convex mirror of focal length 5cm
  • D. convex mirror of focal length 20cm
View Answer & Discuss (47) JAMB 1999
Start a Free Practice Test
 
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208