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Category: Past Papers MCQs

No.	Topics.	No.	Topics.
1.	Biology mcqs	2.	Chemistry mcqs
3.	General Knowledge mcqs	4.	Pak Studies
5.	Physics mcqs

A geostationary satellite of the earth______

has a period of 12 hours
is stationary in space
revolves from west to east in the equatorial plane
revolves from east to west in the equatorial plane

A force of 10N displaces an object by 10m. If work done is 50J then direction of force make an angle with direction of displacement ____________

120°
90°
60°
None of these

uniform motion The ratio of change in position or displacement and the time interval is called as __________

Velocity
Mean velocity
Average velocity
All

A stone is projected vertically up to reach maximum height ‘h’. The ratio of its kinetic energy to potential energy, at a height 4 5 h will be _______

5 : 4
4:05
1:04
4 : 1

The current obtained from a filterless rectifier is_____

an eddy current
sinusoidal current
varyıng direct current
constant direct current

A body of mass 10 kg is displaced from point A(2, 1, to point B(3, 3, under the effect of a force of magnitude 20 N in the direction of 6î 8j. Calculate W. by the force_______

22 J
20 6 J
44 J
Zero

A monochromatic beam of light is used for the formation of fringes on the screen by illuminating the two slits in the Young’s double slit interference experiment. When a thin film of mica is interposed in the path of one of the interfering beams then :

The fringe width increases
The fringe width decreases
The fringe width remains the same but the pattern shifts
The fringe pattern disappears

A body of mass m is moving with constant velocity parallel to x-axis. The angular momentum with respect to origin___________

increases with time
decreases with time
does not change
none of above

A long horizontal wire ‘A’ is rigidly fixed and an another wire ‘B’ which is placed directly below and parallel to wire ‘A’. Wire ‘B’ remains suspended in air due to magnetic attraction. If direction of current is reversed in any one wire then due to gravity instantaneous acceleration of free wire ‘B’ (where g is acceleration due to gravity.

g, in downward direction
g, in upward direction
2g, in downward direction
2g, in upward direction

The numerical ratio of displacement to the distance covered is always_________

less than one
equal to one
equal to or less than one
equal to or greater than one

Water waves are of the nature :

Transverse
Longitudinal
Sometimes longitudinal and some times transverse and longitudinal both
Neither transverse nor longitudinal

The base quantity among the following is________

Speed
Weight
Length
Area

Optical fibres use the phenomenon of_______

Refraction
Dispersion
Total internal reflection
Scattering

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