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 1531:
Which of the following is/are not true about the heat capacity of a substance?
(i) It is an intensive property
(ii) Its S.I unit is
(iii) It is an extensive property
(iv) Its S.I unit is
Options:
A) (i) and (iii) only
B) (i), (ii) and (iv) only
C) (i) and (iv) only
D) (ii) and (iii) only
Show Answer
The correct answer is C .
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Question 1532: Which of the following properties makes metals ideal for cooking utensils?
Options:
A) high coefficient of expansion
B) good conduction of heat
C) low specific heat capacity
D) poor radiation of heat
Show Answer
The correct answer is B .
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Question 1533:
I. Density of the liquid.
II. Depth below the surface of the liquid.
III. Surface area of the liquid.
In which of the statement above will pressure be dependent?
Options:
A) I and II only.
B) II and III only.
C) I, II and III only.
D) I and III only.
Show Answer
The correct answer is A .
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Question 1534: A note is called an octave of another note when
Options:
A) its frequency is twice that of the first note
B) its frequency is half of the first note
C) the notes have the same fundamental frequency
D) its periodic time is twice that of the first note
Show Answer
The correct answer is A .
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Question 1535:
The density of a solid is defined as the
Options:
A) mass of the solid compared to the mass of an equal volume of water
B) amount of water displaced when a unit mass of thesolid is immersed in it
C) weight per unit volume of the solid
D) volume per unit mass of the solid
E) mass per unit volume of the solid
Show Answer
The correct answer is E .
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Question 1536:
A man on a bench will exert the greatest pressure on the bench when he
Options:
A) lies flat on his back
B) lies flat on his belly
C) stands on both feet
D) stands on the toes of one foot
Show Answer
The correct answer is D .
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Question 1537: The energy in the nucleus of atoms produce heat which can be used to generate
Options:
A) Kinetic energy
B) Mechanical energy
C) Electrical energy
D) Potential energy
Show Answer
The correct answer is A .
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Question 1538: The angular dispersion of a prism depends on
Options:
A) the index of refraction only
B) the angle of incidence as well as the index of refraction
C) the angle of incidence only
D) the thickness of the prism
E) the prism angle
Show Answer
The correct answer is A .
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Question 1539: The d.c generator has essentially the same components as the a.c generator except the presence of?
Options:
A) slip-ring
B) carbon brushes
C) split ring
D) armature
Show Answer
The correct answer is C .
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Question 1540: The extension in a spring when 5g wt was hung from it was 0.56cm. If Hooke's law is obeyed, What is the extension caused by a load of 20g wt?
Options:
A) 1.12m
B) 2.14cm
C) 2.52cm
D) 2.80cm
E) 2.24cm
Show Answer
The correct answer is E .