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 1001:
A 3000W electric cooker is to be used on a 200V mains circuit. Which of the fuses below can be used safely with the cooker?
Options:
A) 2A
B) 5A
C) 10A
D) 20A
Show Answer
The correct answer is D .
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Question 1002:
A boat at anchor is rocked by waves whose crest are 100m apart and whose velocity is 25ms-1. At what interval does the wave crest reach the boat?
Options:
A) 2500.00s
B) 75.00s
C) 4.00s
D) 0.25s
Show Answer
The correct answer is C .
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Question 1003: A blacksmith heated a metal whose cubic expansivity is 6.3 x 10-6K-1. The areal expansivity is
Options:
A) 2.0 x 10-6K-1
B) 2.1 x 10-6K-1
C) 4.2 x 10-6K-1
D) 6.3 x 10-6K-1
Show Answer
The correct answer is C .
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Question 1004:
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 .
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Question 1005: Calculate the heat energy lost when 10g of boiling water changes to ice at 0°C. [Specific latent heat of ice 336Jg-1 . Specific heat capacity of water 4.2Jg-1 K-1]
Options:
A) 840J
B) 3360J
C) 3420J
D) 4200J
E) 7560J
Show Answer
The correct answer is E .
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Question 1006: A transistor function mainly as a
Options:
A) switch and amplifier
B) rectifier and an amplifier
C) charge storer and an amplifier
D) charge storer and a switch
Show Answer
The correct answer is A .
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Question 1007: A series RLC circuit is said to resonate, when
Options:
A) capacitive reactance is zero
B) conductance is maximum
C) current is minimum
D) impedance is minimum
E) inductive reactance is zero
Show Answer
The correct answer is D .
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Question 1008: A trough 12.0cm deep is filled with water of refractive index . By how much would a coin at the bottom of the trough appear to be displaced when viewed vertically from above the water surface?
Options:
A) 3.0cm
B) 6.0cm
C) 9.0cm
D) 16.0cm
Show Answer
The correct answer is A .
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Question 1009:
Which of the following is consistent with Charles' law?
I. 
II. 
III. 
IV. 
Options:
A) I
B) II
C) III
D) IV
Show Answer
The correct answer is A .
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Question 1010: A uniform cylindrical block of wood floats in water with one-third of its height above the water level, in a liquid of relative density 0.8, what fraction of its height will be above the liquid level?
Options:
A)
B)
C)
D)
E)
Show Answer
The correct answer is E .