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 1191: Which of the following is NOT a component of a slide projector?
Options:
A) Concave mirror
B) Condenser
C) Convex mirror
D) light source
E) Screen.
Show Answer
The correct answer is C .
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Question 1192: The focal length of a concave mirror is 2.0cm. If an object is placed 8.0cm from it, the image is at
Options:
A) 2.7m
B) 2.0m
C) 2.3m
D) 2.5m
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The correct answer is A .
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Question 1193: A body accelerating will have a constant speed if it is
Options:
A) falling from a height
B) in equilibrium
C) moving in a circular path
D) moving in a straight line
E) oscillating
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The correct answer is C .
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Question 1194:

In the circuit diagram above, calculate the current in the 12 Ω resistor if the cell has an emf of 12V and an internal resistance of 1Ω
Options:
A) 0.8A
B) 1.0A
C) 1.6A
D) 2.4A
Show Answer
The correct answer is D .
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Question 1195: Two forces A and B act at a point. If their resultant is [given by] (B - A) in the direction of B, then
Options:
A) A and B are equal
B) A is greater than B
C) the angle between A and B is 0°
D) the angle between A and B is 90°
E) the angle between A and B is 180°
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The correct answer is E .
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Question 1196: A boy receives the echo of his clap reflected by a nearby hill 0.8s later. How far is he from the hill?
Options:
A) 528m
B) 66m
C) 136m
D) 264m
Show Answer
The correct answer is C .
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Question 1197: The count rate of a radioactive material is 800 count/min. If the half-life of the material is 4 days, what would the count rate be in 16 days later
Options:
A) 200 count / min
B) 100 count / min
C) 50 count / min
D) 25 count / min
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The correct answer is C .
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Question 1198: Which radiation is emitted when a beam of fast moving cathode rays is stopped by a heavy element?
Options:
A) Alpha rays
B) Gamma rays
C) Positive rays
D) Ultraviolet rays
E) X-rays
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The correct answer is E .
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Question 1199: Which of the following media allow the transmission of sound wave through them i. Air. ii. Liquids. iii. Solids.
Options:
A) i and ii only
B) i and iii only
C) ii and iii only
D) i,ii and iii
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The correct answer is D .
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Question 1200: A stone is dropped from the top of a tower of height 11 .25m. Calculate the time it will take to reach the ground. [g = 10ms-2]
Options:
A) 1.00s
B) 1.50s
C) 2.25s
D) 2.50s
E) 3.00s
Show Answer
The correct answer is B .