Physics Exam Past Questions and Answers | JAMB, WAEC and NECO
Physics is the science that studies the nature and properties of matter and energy. It covers topics like motion, heat, light, sound, electricity, magnetism, and the structure of atoms.
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Question 231: The property of the eye known as its power of accommodation is controlled by the
Options:
A) pupil
B) virteous humour
C) iris
D) ciliary muscles
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The correct answer is D .
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Question 232:
Calculate the effective capacitance of the circuit in the diagram given
Options:
A) 4μf
B) 3μf
C) 2μf
D) 1μf
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The correct answer is D .
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Question 233: If a car starts from rest and moves with a uniform acceleration of 10ms-2 for ten seconds, the distance it covers in the last one second of its motion is
Options:
A) 95m
B) 100m
C) 500m
D) 905m
E) 1000m
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The correct answer is A .
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Question 234: When equal weights of iron and water are subjected to equal supply of heat, it is found that the piece of iron become more hotter than water after a short time because
Options:
A) the specific heat of iron is higher than that of water
B) iron is in solid form
C) water is in liquid form
D) the specific heat of water is higher than that of iron
E) the specific heat of iron is infinite
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The correct answer is D .
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Question 235:

The frequency of the wave in the diagram above is
Options:
A) 0.17 Hz
B) 0.25 Hz
C) 1.57 Hz
D) 1.05 Hz
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The correct answer is B .
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Question 236: If a current carrying coil is mounted on a metal frame, the back e.m.f. induced in the coil causes
Options:
A) inductance
B) eddy currents
C) elecro-magnetism
D) dipole moment
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The correct answer is B .
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Question 237: The instrument to measure the relative density of light is
Options:
A) thermometer
B) hydrometer
C) spring balance
D) beaker
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The correct answer is B .
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Question 238: A catapult used to hold a stone of mass 500g is extended by 20cm with an applied force F. If the stone leaves with a velocity of 40m/s, the value of F is
Options:
A) 4.0 x 102N
B) 2.0 x 103N
C) 4.0 x 103N
D) 4.0 x 104N
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The correct answer is B .
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Question 239: A uniform solid cube material 10cm on each side of mass 700g is submerged in water. which of the following best described the behavior of the cube water?
Options:
A) the cube will melt after a period of time
B) the cube will float
C) the cube will sink in water
D) the cube will rest at an equilibrium position in water
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The correct answer is B .
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Question 240: An object of mass 50kg is released from a height of 2m.Find the kinetic energy just before it strikes the ground
Options:
A) 250J
B) 1000J
C) 10 000J
D) 100 000J
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The correct answer is B .