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 1791: Water does not drop through an open umbrella of silk materials unless the inside of the umbrella is touched. This is due to
Options:
A) capilarity
B) osmotic pressure
C) viscosity
D) surface tension
Show Answer
The correct answer is D .
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Question 1792: 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 1793:
A man stands 4m in front of a plane mirror. If the mirror is moved 1m towards the man, the distance between him and his new image is?
Options:
A) 3m
B) 5m
C) 6m
D) 10m
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The correct answer is C .
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Question 1794: The following types of waves are transverse EXCEPT
Options:
A) light waves
B) radio waves
C) sound waves
D) surface waves on water
E) X-rays
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The correct answer is C .
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Question 1795:
An ammeter of resistance 1.0 has a full-scale deflection of 50mA. Determine the resultant full-scale deflection of the meter when a shunt of 0.0111 is connected across its terminals.
Options:
A) 400mA
B) 450mA
C) 500mA
D) 550mA
Show Answer
The correct answer is C .
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Question 1796: The particle nature of light is demonstrated by the
Options:
A) photoelectric effect
B) speed of light
C) colours of light
D) diffraction of light
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The correct answer is A .
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Question 1797: Two cars moving in the same direction have speeds of 100 kmh-1 and 130 kmh-1 what is the velocity of the faster car as measured by an observer in the slower car?
Options:
A) 30 kmh-1
B) 130 kmh-1
C) 200 kmh
D) 230 kmh-1
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The correct answer is A .
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Question 1798: A galvanometer with full-scale deflection of 10 mA is to be converted to a voltmeter with full-scale deflection of 5v. the resistance of the galvanometer is
Options:
A) 1Ω
B) 2Ω
C) 5Ω
D) 10Ω
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The correct answer is D .
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Question 1799: Which of the following pairs of musical instruments produce sound due to the vibration of air column?
Options:
A) Bell and piano
B) Guitar and flute
C) Trumpet and drum
D) Trumpet and flute
E) Violin and organ
Show Answer
The correct answer is D .
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Question 1800:
A block of mass 2kg resting on a smooth horizontal plane is acted upon simultaneously by two-forces, 10N due North and 10N due East. The magnitude of the acceleration produced by the force on the block is
Options:
A) 0.10ms-2
B) 7.07ms-2
C) 10.00ms-2
D) 14.10ms-2
E) 20.00ms-2
Show Answer
The correct answer is B .