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 1331:
A man walks 8km north and then 5km in a direction 60<sup>o</sup> east of north. Find the distance from his starting point
Options:
A) 11.36km
B) 12.36km
C) 13.00km
D) 14.36km
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The correct answer is A .
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Question 1332: In fleming's right-hand rule, the thumb, the forefinger and the middle finger if held mutually at right angles represent respectively, the
Options:
A) motion, the field and the induced current
B) induced current, the motion and the field
C) field, the induced current and the motion
D) induced current, the field and the motion
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The correct answer is A .
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Question 1333: When very hot water is poured into a thin-walled glass container, it is less likely to break because
Options:
A) all parts of the container got heated-uniformly
B) glass can withstand a very high temperature
C) the molecules of glass are too far apart to cause breakages of the container
D) the outer part of the container is cooler than the inner part
E) thin glass does not expand fast
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The correct answer is A .
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Question 1334: Which of the following will reduce the frequency of oscillation of a simple pendulum?
Options:
A) Decreasing the length of the string
B) Increasing the amplitude of oscillation
C) Increasing the length of the string
D) Increasing the mass of the bob
E) Reducing the mass of the bob.
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The correct answer is C .
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Question 1335: The magnetic effect of a current-carrying coil is NOT utilized in the making of a/an
Options:
A) carbon microphone
B) electric bells
C) magnetic relay
D) telephone earpiece
E) thermostat
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The correct answer is E .
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Question 1336:
Two bodies have masses in the ratio3:1. They experience forces whichimpart to them,acceleration in the ratio 2:9 respectively. Find the ratio of forces the masses experienced
Options:
A) 1:4
B) 2:1
C) 2:3
D) 2:5
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The correct answer is C .
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Question 1337: The force of repulsion between two point positive charges 5C and 8C separated at a distance of 0.02 map art is. [ = 9 x 109Nm2C-2]
Options:
A) 1.8 x 10-10N
B) 9.0 x 10-8N
C) 9.0 x 102N
D) 4.5 x 103N
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The correct answer is C .
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Question 1338: As a result of air at the top of a barometer, the height of the mercury column is 73.5cm when it should be 75.0cm; the volume of the space above the mercury is 8.0cm3. Calculate the correct barometer height when the barometer reads 74.0cm and the volume of the space above the mercury is 6.0cm3.
Options:
A) 72.0cm
B) 74.5cm
C) 75.1cm
D) 76.0cm
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The correct answer is D .
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Question 1339: The speed of light in air is 3 x 108ms-1. What is the speed in glass with a refractive index of 1.50?
Options:
A) 1.5 x 108ms-1
B) 3.0 x 108ms-1
C) 2.0 x 108ms-1
D) 6.0 x 108ms-1
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The correct answer is C .
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Question 1340: The battery connection that permits current to flow across a p-n junction is called?
Options:
A) reverse baised
B) forward baised
C) amplification.
D) rectification
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The correct answer is B .