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 1871: Which of the following are produced after a nuclear fusion process? i. one heavy nucleus. ii. neutrons-1. iii. protons. iv. Energy.
Options:
A) i and ii
B) i and iv
C) ii and iii
D) ii and iv
Show Answer
The correct answer is B .
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Question 1872:
Which of the following can be described as high tension transmission?
Options:
A) High resistance and low voltage
B) Low current and high voltage
C) High current and low voltage
D) High current and low resistance
Show Answer
The correct answer is B .
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Question 1873: At low humidity in an environment, the human skin is usually?
Options:
A) damp and rough
B) damp and smooth
C) dry and rough
D) dry and smooth
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The correct answer is C .
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Question 1874:

PQ is a thin rod on a horizontal table, RS is a plane mirror inclined at to the horizontal as shown above. The image of PQ as seen in the mirror by the eye T is
Options:
A) horizontal
B) parallel to the mirror
C) at infinity
D) vertical
E) highly magnified
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The correct answer is B .
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Question 1875:

The figure above shows a plot of angles of deviation through a glass prism when light is incident at θ degrees on the prism. The incident angle that produces the minimum deviation is
Options:
A) 20o
B) 18o
C) 35o
D) 25o
Show Answer
The correct answer is D .
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Question 1876: The equation of a wave is y = 0.005 sin[x(0.5X - 200t)] where x and y are in meters and t is in seconds. What is the velocity of the wave?
Options:
A) 4000ms-1
B) 400ms-1
C) 250ms-1
D) 40ms-1
Show Answer
The correct answer is B .
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Question 1877: What is the least possible error encountered when taking measurement with a meter rule?
Options:
A) 0.1mm
B) 1.0mm
C) 0.5mm
D) 0.2mm
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The correct answer is C .
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Question 1878: A Motor Tyre is inflated to pressure of 2.0 x 105Nm-2 when the temperature of air is 27oC. What will be the pressure in it at 87oC assuming that the volume of the Tyre does not change?
Options:
A) 2.6 x 105Nm-2
B) 2.4 x 105Nm-2
C) 2.2 x 105Nm-2
D) 1.3 x 105Nm-2
Show Answer
The correct answer is B .
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Question 1879: Which of the following is the exclusive property of a transverse wave?
Options:
A) diffraction
B) refraction
C) compression
D) polarization
Show Answer
The correct answer is D .
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Question 1880:
When a sound wave passes from air into water its
Options:
A) speed and frequency increases but its wavelength remains the same
B) speed and wavelength increases but its frequency remains the same
C) speed decreases
D) speed increases but its frequency and wavelength decreases
Show Answer
The correct answer is B .