by Sunday | Aug 28 | Physics WAEC
An astronomical telescope having an objective of focal length 100cm and an eyepiece of focal length 10cm is used in normal adjustment, calculate the separation of the lenses A. 0.10m B. 0.90cm C. 1.10m D. 1.80m E. 2.20m Correct Answer: Option C =...
by Sunday | Aug 28 | Physics WAEC
A. 8 B. 7 C. 6 D. 5 E. 4 Correct Answer: Option C – 6 Explanation 1/f=1/u+1/v = 1/5−13/5=30/175 U = 175/30 = 5.8m v/u=35/5.8 = 6
by Sunday | Aug 28 | Physics WAEC
A. diminished, virtual and inverted B. diminished, virtual and erect C. diminished inverted and real D. magnified, virtual and erect E. magnified, real and inverted Correct Answer: Option B – diminished, virtual and...
by Sunday | Aug 28 | Physics WAEC
A. f/4 B. f/2 C. f D. 2f E. 4f Correct Answer: Option D – 2f
by Sunday | Aug 28 | Physics WAEC
A. reflection B. polarisation C. interference D. diffraction E. refraction Correct Answer: Option E – refraction
by Sunday | Aug 28 | Physics WAEC
A. earth casts a shadow on the moon B. moon casts a shadow on the sun C. moon is between the sun and the earth D. earth is between the sun and the moon E. sun is between the moon and the earth Correct Answer: Option C – moon is between the sun and the...