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 1:
The circuit diagram above contains four ammeters W, X, Y and Z, Which of the following statements about the ammeter readings is correct
Options:
A) The reading of W is equal to that of Y and twice that of X
B) The reading of Y is greater than that of Z
C) The readings of W and Y are equal and each is greater than that of X
D) The reading of Z is equal to the sum of the readings of Y and W
Show Answer
The correct answer is C .
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Question 2:
The diagram above shows a closed side 0.5m in a uniform electric field E in the direction shown by the arrows. What is the flux Φ for the box?
Options:
A) 0.5 E
B) 2.0 E
C) 0.2 E
D) 0.0 E
Show Answer
The correct answer is D .
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Question 3: At what depth below the sea-level would one experience a change of pressure equal to one atmosphere? Density of sea water = 1013kg-3, one atmosphere = 0.01 x 105Nm-2, g = 10ms-2
Options:
A) 0.1m
B) 1.0m
C) 10.0m
D) 100.0m
Show Answer
The correct answer is C .
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Question 4:
A 1000kg elevator is descending vertically with an acceleration of 1.0ms-2, if the acceleration due to gravity is 10ms-2, the tension in the suspending cable is
Options:
A) 1.0N
B) 10.0N
C) 9000.0N
D) 11000N
Show Answer
The correct answer is C .
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Question 5: A high-resistance voltmeter reads 3.0V when connected across the terminals of a battery on open circuit and 2.6V when the battery supplies a current of 0.2A through a lamp. The resistance of lamp is
Options:
A) 2.00
B) 13.00
C) 0.52
D) 0.13
E) 1.50
Show Answer
The correct answer is B .
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Question 6: A wave has a frequency of 2Hz and a wavelength of 30cm. The velocity of the wave is
Options:
A) 60.0ms-1
B) 6.0ms-1
C) 1.5ms-1
D) 0.6ms-1
Show Answer
The correct answer is D .
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Question 7:
In the diagram above, which of the following velocity-time graphs shows uniform acceleration of a body from rest?
Options:
A) C
B) D
C) B
D) A
Show Answer
The correct answer is C .
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Question 8: If light with photon energy 2eV is incident suitably on the surface of a metal with work function 3eV, then
Options:
A) no electron will be emitted
B) the few electrons emitted will have a maximum kinetic energy of 1eV
C) the few electrons emitted will have a maximum kinetic energy of 3eV
D) many electrons will be emitted
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The correct answer is A .
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Question 9:
The gravitational pull on the moon is that of the earth. If a body weighs 6.0 N on the moon,what will be the weight on the earth?
Options:
A) 6.0 N
B) 5.0 N
C) 12.0 N
D) 36.0 N
Show Answer
The correct answer is D .
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Question 10: Which of the following statements about wave motion is correct?
Options:
A) Electromagnetic waves are transverse
B) Transverse waves do not require a medium for propagation
C) Longitudinal waves vibrate perpendicular to the direction of travel
D) All mechanical waves are longitudinal
Show Answer
The correct answer is A .