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: Which of the following pairs of musical instruments produce sound due to the vibration of air column?
Options:
A) Bell and piano
B) Guitar and flute
C) Trumpet and drum
D) Trumpet and flute
E) Violin and organ
Show Answer
The correct answer is D .
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Question 2: If the magnification of a virtual image formed of an object 10cm from a convex lens is 3, then the focal length of the lens is
Options:
A) 10cm
B) 15cm
C) 16cm
D) 19cm
E) 20cm
Show Answer
The correct answer is B .
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Question 3:
A force of 200N acts between two objects at a certain distance apart. The value of the force when the distance is halved is
Options:
A) 400N
B) 200N
C) 100N
D) 800N
Show Answer
The correct answer is D .
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Question 4: A temperature scale has a lower fixed point of 40mm and a upper fixed point of 200mm. What is the reading on this scale when a thermometer reads 60oC?
Options:
A) 33.3mm
B) 36.0mm
C) 96.0mm
D) 136.0mm
Show Answer
The correct answer is D .
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Question 5:
A single force which produces the same effect as a set of forces acting together at a point is known as the
Options:
A) component
B) equilibrant
C) resultant
D) resistant
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The correct answer is C .
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Question 6: The force on a charge moving with velocity v in a magnetic field B is half of the maximum force when the angle between v and B is
Options:
A) 90o
B) 45o
C) 30o
D) 0o
Show Answer
The correct answer is C .
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Question 7: The velocity ratio of an inclined plane where angle of inclination in θ is
Options:
A) Sinθ
B) Cosθ
C) Tanθ
D)
Show Answer
The correct answer is D .
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Question 8:

Find the tension T1 in the diagram above if the system is in equilibrium. [G = 10ms-2]
Options:
A) 200/√3N
B) 100/√3N
C) 300/√3N
D) 100N
Show Answer
The correct answer is B .
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Question 9: A 2000W electric heater is used to heat a metal object of mass 5kg initially at 10oC. If a temperature rise of 30oC is obtained after 10min, the heat capacity of the material is
Options:
A) 6.0 x 104JoC-1
B) 4.0 x 104JoC-1
C) 1.2 x 104JoC-1
D) 8.0 x 104JoC-1
Show Answer
The correct answer is B .
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Question 10:
In which of the following device in the expansion of solid is a disadvantages?
I. Simple pendulum
II. Fire alarms
III. Thermostat
IV. Bimetallic thermometer
Options:
A) III only
B) II & III only
C) I only
D) II, III & IV only
Show Answer
The correct answer is C .