by Sunday | Aug 27 | Physics WAEC
A. elastic force B. repulsive force C. cohesive force D. adhesive force Correct Answer: Option C = cohesive force
by Sunday | Aug 26 | Physics WAEC
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 Correct Answer: Option A – concave mirror of focal length 5cm
by Sunday | Aug 26 | Physics WAEC
A. 3m B. 5m C. 6m D. 10m Correct Answer: Option C – 6m Explanation The image of an object placed in front of a plane mirror is always as far behind the mirror as the object is in front of the mirror. Thus when the object is 4m in front of the mirror, the image...
by Sunday | Aug 26 | Physics WAEC
A. 4 B. 3 C. 2 D. 1 Correct Answer: Option B – 3 Explanation The lowest note (fundamental note) emitted by any stretched string has a fundamental frequecy fo = V/2l = 40Hz The 1st overtone = 2fo = 2 x 40 = 80Hz 2nd overtone = 3fo = 3 x 40 = 120Hz 3rd overtone =...
by Sunday | Aug 26 | Physics WAEC
A. increase B. decrease C. decrease then increase D. remain constant Correct Answer: Option B – decrease Explanation If a sound wave goes from a cold air region to a hot air region (which will be less dense), the velocity decreases, and since the frequency is...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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