by Sunday | May 21 | Physics WAEC
A. real and magnified B. real and inverted C. erect and magnified D. erect and virtual Correct Answer: Option B B. real and inverted
by Sunday | May 21 | Physics WAEC
A. inverted B. erect C. real D. virtual Correct Answer: Option D D. virtual Explanation Any image that can be formed on a screen is called real image. Such images are formed by light rays emanating from the object, when reflected and/or refracted by devices such as...
by Sunday | May 21 | Physics WAEC
A. light must travel from an optical less dense to a denser medium B. the angle of incidence must be equal to the critical angle C. the angle of incidence must be greater than the critical angle D. the angle of refraction must be 90o Correct Answer: Option C C. the...
by Sunday | May 21 | Physics WAEC
A. 68.0Hz B. 225.0Hz C. 1000Hz D. 750.0Hz Correct Answer: Option C C. 1000Hz Explanation V = s/t=900/3=300m\s f = v/π=300/0.30 = 1000Hz
by Sunday | May 21 | Physics WAEC
A. increased four times B. doubled C. unchangeable D. halved Correct Answer: Option D D. halved