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 2531:

The length of piece of glass block was measured by means of a vernier calliper as shown above. The length of the glass block is
Options:
A) 1.63 cm
B) 1.64 cm
C) 1.65 cm
D) 1. 66 cm
Show Answer
The correct answer is B .
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Question 2532: A string of length 4m is extended by 0.02m when a load of 0.4kg is suspended at its end. What will be the length of the string when the applied force is 15N?
Options:
A) 4.05m
B) 4.08m
C) 5.05m
D) 6.08m
Show Answer
The correct answer is B .
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Question 2533: Volatile liquids usually
Options:
A) Have high boiling points
B) have low boiling points
C) have high densities
D) have high melting points
Show Answer
The correct answer is B .
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Question 2534:
The point at which the molecules of a loaded wire begin to slide across each other resulting in a rapid increase in extension is
Options:
A) yield point
B) proportionality point
C) deformation point
D) elastic point
Show Answer
The correct answer is A .
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Question 2535:

In the diagram above a beam of white light travels from a rare to a dense medium. What colours of light do the rays a, b and c respectively represents?
Options:
A) red, green and blue
B) Green, red and blue
C) Yellow , blue and red
D) Blue , yellow and red
Show Answer
The correct answer is A .
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Question 2536: The tendon in a man's leg is 0.01m long. If a force of 5N stretches the tendon by 2.0 x 10-5m, calculate the strain on the muscle.
Options:
A) 5 x 106
B) 5 x 102
C) 2 x 10-3
D) 2 x 10-7
Show Answer
The correct answer is C .
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Question 2537: Given the same amount of beat, a quantity of water will reach a higher temperature in a brass pot than in a clay pot of the same mass because
Options:
A) brass is less dense than clay
B) clay expands more slowly than brass
C) clay loses heat faster than brass
D) the specific heat capacity of brass is higher than that of clay
E) the specific heat capacity of brass is lower than of clay.
Show Answer
The correct answer is E .
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Question 2538: A particle moves in a circular orbit of radius 0.02m. If the speed of the particle is 0.88ms-1, calculate its frequency in cycles per second
Options:
A) 2.0Hz
B) 7.0Hz
C) 8.8Hz
D) 14.0Hz
E) 17.6Hz
Show Answer
The correct answer is B .
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Question 2539: A piece of rubber 10cm long stretches 6mm when a load of 100N is hung from it. What is the strain?
Options:
A) 60
B) 6
C) 6 x 10-2
D) 6 x 10-3
E) 0.6
Show Answer
The correct answer is C .
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Question 2540:
The rate of diffusion of gases increases with increase(s) in I. density
II. temperature
III, mass. Which is/are correct?
Options:
A) I only
B) II only
C) I and II only
D) II and III only
E) I, II and III
Show Answer
The correct answer is B .