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 541:
The terminals of a battery of emf 24.0 V and internal resistance of 1.0 Ω is connected to an external resistor 5.0 Ω. Find the terminal p.d.
Options:
A) 18.0V
B) 12.0V
C) 16.0V
D) 20.0V
Show Answer
The correct answer is D .
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Question 542:
The Earth's magnetic equator passes through Jos in Nigeria. At Jos, the
Options:
A) angle of variation is zero
B) magnetic declination is 90
C) angle of dip is zero
D) horizontal component at the Earth's field is zero
Show Answer
The correct answer is C .
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Question 543:

A uniform light rod is kept in horizontal equilibrium under the influence of fore forces as shown above, which of the following equations correctly represents the condition of equilibrium for the rod
Options:
A) F1 + F2 = F3 + F4
B) F1 + F2 - F3 + F = 0
C) (F1 + F2)ab = (F3 + F4)cd
D) F1a + F2b - F3c - F4d = 0
Show Answer
The correct answer is D .
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Question 544:
An alternating current can induce voltage because it has
Options:
A) ripple value
B) varying magnetic field
C) weaker magnetic field than direct current
D) high peak value
Show Answer
The correct answer is B .
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Question 545:
A hydrometer is an instrument formeasuring the
Options:
A) a depth of water of water in a vessel
B) relative density of a liquid by the method of flotation
C) relative density of a liquid by finding the apparent loss in weight
D) relative humidity of the air
Show Answer
The correct answer is B .
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Question 546: The instrument used by designers to obtain different color pattern is called?
Options:
A) periscop
B) sextant
C) episcope
D) kaleidoscope
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The correct answer is D .
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Question 547: If the inclination at Ibadan is 7oS, this means that
Options:
A) the angle between the geographic meridian and the magnetic meridian at Ibadan is 7o
B) the earth's magnetic intensity at Ibadan makes angle 7o with the horizontal direction
C) a magnetic needle will be inclined at 7o to the vertical at Ibadan
D) the north pole of a magnetic needle dips downward at Ibadan
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The correct answer is B .
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Question 548: When a nucleus is formed by bringing protons and neutrons together, the actual mass of the formed nucleus is less than the sum of the masses of the energy equivalent of this mass difference is the
Options:
A) lost energy
B) work function
C) binding energy
D) stability energy
Show Answer
The correct answer is C .
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Question 549:
A narrow beam of white light can be split up into different colours by a glass prism. The correct explanation is that
Options:
A) white light Is an electromagnetic wave
B) the prism has all the colours of the white light
C) different colours of white light travel with different speeds in glass
D) white light has undergone total Internal reflection in the prism
Show Answer
The correct answer is C .
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Question 550:
Which of the following is not a vector quantity?
Options:
A) momentum
B) force
C) temperature
D) displacement
Show Answer
The correct answer is C .