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Test Session

Posted by: Unknown Posted date: 22:41 / comment : 0


Entry Test

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Muet Physics

Posted by: Unknown Posted date: 20:31 / comment : 0 , ,



1) A length of 45 mm is equivalent to, approximately
a) 1.8 in.
b) 6.2 in.
c) 11 in.
d) 18 in.
e) 23 in.


2) A length of 3.5 in. is equivalent to, approximately
a) 2.5 cm
b) 8.9 cm
c) 11.4 cm
d) 13.9 cm
e) 16.5 cm


3) The speed of an object at the end of 4 successive seconds is 20, 25, 30, and 35 mi/hr, respectively. The acceleration of this object is
a) 5 ft per sec2
b) 5 mi per hr per sec
c) 5 mi per hr2
d) 5 mi per sec 2
e) 20 mi per hr per sec


4) A rock is dropped from a high bridge. At the end of 3 seconds of free fall the speed of the rock is, in cm/sec2
a) 30
b) 100
c) 500
d) 1000
e) 3000


5) On the Fahrenheit scale a temperature of 50C will be recorded as approximately
a) 400
b) 100
c) 500
d) 1050
e) 1200


6) An aluminum rod having a diameter of one inch is heated from a temperature of 270C to a temperature of 540C. As a result the diameter of the rod
a) does not change
b) increases to something less than two inches
c) doubles
d) shrinks to 1/2 inch to compensate for the increase in length
e) shrinks, but remains larger than 1/2 inch


7) If volume of a gas is doubled without changing its temperature, the pressure of the gas is
a) reduced to 1/2 if the original value
b) reduced to 1/2 of the original value
c) not changed
d) doubled
e) quadrupled


8) One thousand cal of heat are added to 100 gm of water when its temperature is 400C. The resulting temperature of the water is
a) 100C
b) 500C
d) 800C
e) 1000C


9) When one gram of atmospheric water vapor condense in the air, it results in
a) always cooling the surrounding air
b) always heating the surrounding air
c) always leaving the surrounding air temperature unchanged
d) heating the surrounding air only if the change occurs below 1000F
e) cooling the surrounding air only if the change occurs below 1000F


10) If the temperature of the atmosphere rises above the dew point,
a) a dew will form
b) precipitation will take place
c) the relative humidity will become 100%
d) evaporation is likely to take place
e) condensation will take place if nuclei such as dust are present


11) Radiation is the chief method of energy transfer
a) from the sun to an earth satellite
b) rom a gas flame to water in a teakettle
c) from a soldering iron to metals being soldered
d) from water to an ice cube floating in it
e) from mammal to the surrounding air


12) Dark, rough objects are generally good for
a) conduction
b) radiation
c) convection
d) reflection
e) refraction


13) A person seated in front of a fire in a fireplace receives heat chiefly by
a) convection of carbon dioxide
b) convection of carbon monoxide
c) convection of air
d) conduction
e) radiation


14) If friction is negligible, when a gas is compressed rapidly
a) its temperature remains the same
b) its temperature goes down
c) its temperature rise
d) it is liquefied
e) work is done by the gas


15) In the light wave
a) the vibrations of the electric and magnetic fields are transverse
b) the vibrations of the electric field are transverse; those of the magnetic field are longitudinal
c) the vibrations of the magnetic field are transverse; those of the electric field are longitudinal
d) all vibrations are longitudinal
e) longitudinal vibrations alternate with transverse


16) Real image formed by single convex lenses are always
a) on the same side of the lens as the object
b) inverted
c) erect
d) smaller than the object
e) larger than the object


17) A person on earth may see the sun even when it is somewhat below the horizon primarily because the atmosphere
a) annuls light
b) reflects light
c) absorbs light
d) refracts light
e) polarizes light


18)Yellow light of a single wavelength can’t be
a) reflected
b) refracted
c) dispersed
d) polarized
e) diffused


19) A proton (electric charge = 1.6 x 10-19 coulomb) is placed midway between two parallel metallic plates which are 0.2 meter apart. The plates are connected to an 80-volt battery. What is the magnitude of the electric force on the proton, in newtons?
a) 3.2 x 10-20
b) 6.4 x 10-17
c) 400
d) 16
e) 80


20) The emf produced by a generator operating at constant speed depends mainly on
a) the thickness of the wire on the armature
b) the thickness of the wire on the field magnet
c) the strength of the magnetic field
d) the length of time the generator operates
e) the size of the brushes


21) An area of 2.5 square meters is equivalent to, approximately
a) 100 in.2
b) 140 in.2
c) 180 in.2
d) 220 in.2
e) 3900 in.2


22) Two forces act together on an object. The magnitude of their resultant is least when the angle between the forces is
a) 00
b) 450
c) 600
d) 900
e) 1800


23) While an arrow is being shot from a bow it is accelerated over a distance of 2 ft. At the end of this acceleration it leaves the bow with a speed of 200 ft/sec. The average acceleration imparted to the arrow is
a) 200 ft/sec2
b) 400 ft/sec2
c) 500 ft/sec2
d) 1000 ft/sec2
e) 10,000 ft/sec2


24) Two insoluble objects seem to lose the same weight when completely submerged in a liquid. The objects must have the same
a) weight in air
b) weight in the liquid
c) weight in water
d) density
e) volume


25) If an object weighs 90 gm in air, 60 gm in water, and 20 gm in an unknown liquid which it does not dissolve, the sp. gr. of the unknown liquid is
a) 1.3
b) 1.5
c) 2.3
d) 3.0
e) 4.5

NUST MERIT LIST & DEPARTMENT SELECTION

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PROBABILITY TEST-1

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Q. 1 The letters of the word “MISSISSIPPI” are scrambled and then arranged in some order. What is the probability that the four “I’s” are consecutive in the resulting arrangement?
a) 4/65
b) 3/55
c) 4/165
d) 8/65


Q. 2 Adie is rolled once find the probability of getting a number > 4.?
a) 1/2
b) 3/5
c) 2/3
d) 1/3


Q. 3 A coin is tossed twice, what is the probability of getting at least one head?
a) 3/4
b) 1/4
c) 1/3
d) 1/2


Q. 4 If three coins tossed simultaneously, what is the probability of obtaining two heads and one tail?
a) 4/5
b) 1/4
c) 3/8
d) 1/8


Q. 5 Two dice are rolled simultaneously. What is the probability that a double of any kind is obtained?
a) 1/6
b) 1/9
c) 1/4
d) 5/36


Q. 6 A card is drawn from an ordinary deck of playing cards what is the probability that it is a black queen?
a) 1/13
b) 1/26
c) 3/8
d) 3/13


Q. 7 In a shop 10 out of 100 products are defective. If 4 of the products are selected at random, what is the probability that it is not defected?
a) 4/5
b) 0.88
c) 0.65
d) 1/8


Q. 8 If three books are picked from a shelf containing 3 Novels, 4 books on poems, and a dictionary what is the probability that the dictionary is selected?
a) 9/28
b) 4/7
c) 3/8
d) 1/8


Q. 9 if 4 pairs of shoes are in a closet and 2 shoes are selected at random, what is the probability that they will be for the same foot?
a) 3/7
b) 1/4
c) 1/7
d) 3/8


Q. 10 Of 12 eggs on a refrigerator, 2 are bad, from these 4 eggs are chosen at random, what is the probability that exactly one egg is bad?
a) 1/66
b) 1/4
c) 14/33
d) 16/33

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