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 261:
I. change of state
II. Diffusion
III. Radiation
IV. Osmosis
Which of the processes above can be explained using the kinetic theory?
Options:
A) I, II,III and IV
B) I, II and III
C) I, III and IV
D) I, II and IV
Show Answer
The correct answer is D .
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Question 262: If a heavy barrel is rolled up a plane inclined at 30° to the horizontal. its velocity ratio will be
Options:
A) 3.0
B) 3.1
C) 3.2
D) 2.0
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The correct answer is D .
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Question 263:
Arrange the following in the order of their increasing frequency.I. Visible light
II. Gamma rays
III. Radio waves
IV. Infra-red radiation
V. Ultra-violet radiation
Options:
A) I, II, III, IV, V
B) II, III, IV, V, I
C) III, IV, V, I, II
D) IV, III, I. V, II
E) III, IV, I,V, II
Show Answer
The correct answer is E .
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Question 264: The electrolyte in the Nickei-iron (Nife) accumulator is
Options:
A) potassium hydroxide solution
B) dilute tetraoxosulphate(VI)acid
C) copper tetraoxosulphate(VI)solution
D) ammonium chloride solution
Show Answer
The correct answer is A .
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Question 265: A parallel plate capacitor of area 10cm2 in vacuum has a capacitance of 10-2F. What is the distance between the plates?(e = 9 x 10-12fm)
Options:
A) 9 x 10-13m
B) 9 x 10-7m
C) 9 x 10-3m
D) 9 x 107m
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The correct answer is B .
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Question 266: When an atom loses or gains a charge, it becomes an
Options:
A) ion
B) an electron
C) a neutron
D) a proton
E) a deuteron
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The correct answer is A .
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Question 267: The charge carriers in gasses are
Options:
A) ions only
B) electrons and ions
C) electrons and holes
D) electrons only
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The correct answer is A .
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Question 268:

The diagram above shows a velocity time graph representing the motion of a car. Find the total distance covered during the acceleration and retardation of the motion
Options:
A) 75m
B) 150m
C) 300m
D) 375m
Show Answer
The correct answer is A .
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Question 269: The blade of a hoe feel colder to touch in the morning than the wooden handle because the
Options:
A) handle is a better conductor of heat than blade
B) handle contains stored energy in form of heat
C) blade is a better conductor of heat than the handle
D) blade is placed at a lower temperature than the heat
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The correct answer is C .
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Question 270: 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 .