by Sunday | Nov 15 | Physics JAMB
A. 70° B. 45° C. 25° D. 20° Correct Answer: Option D = 20° Explanation Whenever a ray of light is incident on a plane mirror at an angle of incidence l, if the mirror is then rotated through an angle θ, then the reflected ray is rotated through an angle twice θ So if...
by Sunday | Nov 15 | Physics JAMB
A. conduction only B. convection only C. conduction and convection D. convection and radiation Correct Answer: Option C – conduction and convection
by Sunday | Nov 15 | Physics JAMB
A. Velocity, magnetic flux and reaction B. Tension, magnetic flux and mass C. Displacement, impulse and power D. Work, pressure and moment Correct Answer: Option A – Velocity, magnetic flux and reaction
by Sunday | Nov 15 | Physics JAMB
A. work output is always greater than the work input B. load lifted is always greater than the effort applied C. effort applied is always greater than the load lifted D. velocity ratio is always greater than the mechanical advantage Correct Answer: Option D –...
by Sunday | Nov 15 | Physics JAMB
I. The earth is not spherical but elliptical in shape II. Variation in latitude and longitude III. Rotation of the earth on its axis IV. Variation in the density of the earth A. I, II, III and IV B. II, III and IV only C. I, II and III only D. I and II only Correct...
by Sunday | Nov 15 | Physics JAMB
A. 45° B. 0° C. 90° D. 180° Correct Answer: Option B = 0° Explanation The resultant of two forces acting on an object is maximum when the angle between them is zero, during which the tow forces are parallel and pointing in the same...