by Sunday | Jan 9 | Physics WAEC
A. high velocity electrons are abruptly stopped in metals B. energy changes occur within the nuclei of atoms C. energy changes occur within the electronic structure of atoms D. electrons are deflected in very strong magnetic fields Correct Answer: Option B –...
by Sunday | Jan 9 | Physics WAEC
I. Alpha Il. Gamma IIl. Beta A. I < III < II B. II < I < III C. II < III < I D. I < II Correct Answer: Option C – II < III < I Explanation Alpha particles are highly ionising because of their double positive charge, large mass...
by Sunday | Jan 9 | Physics WAEC
A. the semiconductor is heated up B. a donor element is added C. an acceptor element is added D. the semiconductor is conducted to a battery Correct Answer: Option C – an acceptor element is added Explanation If the dominant impurity atoms are ACCEPTOR type in...
by Sunday | Jan 9 | Physics WAEC
A. 120Ω B. 240Ω C. 540Ω D. 960Ω Correct Answer: Option D = 960Ω
by Sunday | Jan 9 | Physics WAEC
A. person touching the appliance is safe from electric shock B. appliances are maintained at a higher p.d. than the earth C. appliances are maintained at a lower p.d. than the earth D. appliances are maintained at the same p.d. with that of the earth Correct Answer:...
by Sunday | Jan 9 | Physics WAEC
A. 0.90A B. 0.39A C. 0.30A D. 0.01A Correct Answer: Option C = 0.30A
by Sunday | Jan 9 | Physics WAEC
A. maximum B. minimum C. capacitive D. inductive Correct Answer: Option A – maximum Explanation Since the current flowing through a parallel resonance circuit is the product of voltage divided by impedance, at resonance the impedance, Z is at its maximum value....
by Sunday | Jan 9 | Physics WAEC
A. 0.200A B. 0.070A C. 0.050A D. 0.008A Correct Answer: Option D = 0.008A
by Sunday | Jan 9 | Physics WAEC
A. graphite rods B. concrete shield C. iron rods D. boron rods Correct Answer: Option A – graphite rods Explanation Moderation is the process of the reduction of the initial high speed (high kinetic energy) of the free neutron. Since energy is conserved, this...
by Sunday | Jan 9 | Physics WAEC
A. The electric potential energy of a positively charged particle increases when it moves to a point of higher potential B. The electric potential energy of a negatively charged particle increases when it moves to a point of lower potential C. The electric potential...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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