Physics _ Test Paper A _ Secondary Level

Physics _ Test Paper A _ Secondary Level

1. The velocity of light in vacuum is:
a) 3 x 10 8 km / sec
b) 3 x 10 10 m / sec
c) 3 x 10 8 m / sec
d) 3 x 10 6 m / sec
2. The resultant of two vectors will be minimum when the angle between these vectors is:
a) 90 deg
b) Zero deg
c) 45 deg
d) 30 deg
3. An object is placed 12 cm from a convex lens whose focal length is 10 cm. The image must be.
a) Virtual and erect
b) Real and reduce in size
c) Virtual and magnified
d) Real and magnified
4. Parallel rays of light entering a convex lens always converge at:
a) At focus
b) At center of curvature
c) At radius of curvature
d) At optical center
5. Convex lens always gives a real image if the object is situated beyond:
a) Optical center
b) Center of curvature
c) Focus
d) None of these
6. Heat is measured by:
a) Galvanometer
b) Calorie meter
c) Voltmeter
d) Thermometer
7. The book Al - Manazir was written by:
a) Al - Beruni
b) Newton
c) Ibn - Ul - Haitham
d) None of these
8. If the radius of a circle is doubled then the centripetal force acting on the body moving on it will also be:
a) Four times
b) Doubled
c) One half
d) One fourth
9. The specific heat of water is:
a) 42000 Joule / Kg .C
b) 4200 Joule / Kg.C
c) 0.42 Joule / Kg .C
d) 4.2 Joule / Kg. C
10. Sound travels in air as:
a) Transverse waves
b) Electromagnetic waves
c) None of these
d) Longitudinal waves
11. The energy released in conversion of 3000 gm of into energy will be:
a) 24000 x 10 8 joule
b) 3 x 10 8 joule
c) 9 x 10 8 joule
d) 8 x 10 8 joule
12. Least distance of distinct vision for normal human eye is:
a) 20 cm
b) 15 cm
c) 5 cm
d) 25 cm
13. The relation between magnetic field and electric current was discovered by:
a) Faraday
b) Fleming
c) Ampere
d) Newton
14. See - saw is an example of:
a) None of these
b) First kind of lever
c) Second kind of lever
d) Third kind of lever
15. Hydraulic brake works on the basis of:
a) Graham's Law
b) None of these
c) Hook's Law
d) Pascal Law
16. If the distance of the image is doubled than the distance of the object , the magnification of image will be:
a) Doubled
b) Thrice
c) Half
d) Four times
17. Galvanometer can be converted into Volt meter by connecting:
a) A high value resistance in parallel with the coil of galvanometer
b) A low value resistance in series with the coil of galvanometer
c) A low value resistance in series with the coil of galvanometer
d) A high value resistance in series with the coil of galvanometer
18. An electric current is always accompanied by a magnetic field was discovered by:
a) Kelvin
b) Fleming
c) Orested
d) Newton
19. Real images formed by single convex lenses are always:
a) On the same side of the object
b) Erect
c) Smaller than the size of object
d) Inverted
20. The nature of waves produced by a vibration body in air is:
a) Electromagnetic waves
b) Longitudinal waves
c) Sliding waves
d) Transverse waves
21. In nuclear fission the fragments produced due to the disintegration of Uranium nucleus are:
a) Krypton only
b) Barium only
c) Barium & Potassium
d) Beryllium & krypton
22. A force of 100 N is acting on body and displaces it up to 5m in the direction of applied force the work done by the force will be:
a) 0
b) 95 Joule
c) 500 Joule
d) 250 Joule
23. The speed in a specified direction is called:
a) Final speed
b) Average speed
c) Acceleration
d) Velocity
24. The bending of a beam of light when it passes obliquely from one medium to another is known as:
a) Dispersion
b) Reflection
c) Refraction
d) Deviation
25. The Spontaneous emission of radiation from the nucleus is called:
a) Nuclear fission
b) Radioactivity
c) Chemical reaction
d) Nuclear fusion
26. For an ideal machine:
a) Out put is greater than input
b) Out put is always equal to the input
c) Out put is less than input
d) None of these
27. The part of the lens through which the ray of light passes without suffering deviation is called:
a) Center of curvature
b) Optical center
c) Focus
d) Pole
28. Sound waves can not travel through:
a) Water
b) Vacuum
c) Solid
d) Gases
29. The capacity of doing work is called:
a) Power
b) Energy
c) Displacement
d) Efficiency
30. The branch of physics which deals with the study of force and its effect on an object is called:
a) Kinematics
b) Dynamics
c) Static
d) Mechanics
31. 400 waves pass from a reference point in 10 sec, if the velocity of the waves is 10 cm / sec then the wave length will be:
a) 200 m
b) 125 cm
c) 0.25 cm
d) 40 m /sec
32. The weight of body is maximum at:
a) Equator
b) Poles
c) Center of the Earth
d) Mount Everest
33. Focal length of plane mirror is:
a) Infinity
b) Zero
c) One
d) Depends upon the quality of mirror
34. Mercury is used as a thermometric liquid in the thermometers because:
a) Mercury is a good conductor of heat
b) It wets the glass tube of thermometer
c) It is heavy
d) Mercury is transparent
35. A bus is traveling with a velocity of 90 km / hr. Suddenly brakes are applied and the bus stops in front of a fence after covering some distance in 5 seconds. The distance covered by the bus before coming to rest will be:
a) 165 m
b) 62.5 m
c) 300 m
d) 525 m
36. Transverse waves consist of:
a) Crest and nodes
b) Compressions & rarefactions
c) Anti nodes only
d) Crests & Troughs
37. If an object is placed at a distance of 2m from a plane mirror its image will form at:
a) 1 m
b) 4 m
c) 1/2 meter
d) 2 m
38. Electric resistance is typically measured in:
a) Watt
b) Ohm
c) Farad
d) Volt
39. The field of view is maximum for:
a) Convex mirror
b) Concave mirror
c) Plane Mirror
d) None of these
40. An eye can form sharp images of objects as close as
a) 25 cm
b) 25 mm
c) 25 m
d) 25 inches
41. One micro farad =
a) 10-6
b) 10+12
c) 10-12
d) 10-3
42. Beta particles have:
a) Positive charge
b) None of these
c) Neutral
d) Negative charge
43. If a force of 10 N acts on a body at an angle of 60 deg the displacement of the body is 2m, work done by the force will be:
a) 20 Joule
b) 12 joule
c) 10 joule
d) 30 Joule
44. Sound waves having the following frequency are audible to human being:
a) 5 Hz
b) 50000 Hz
c) 5000 Hz
d) 25000 Hz
45. The S.I unit of stress is:
a) None of these
b) N/m2
c) N. m-2
d) N.m
46. calculate the amount of energy released by transforming15 gm of a substance into energy:

a) 200 x 10 9 joule
b) 350 joule
c) 1.35 x 1015 joule
d) 1000 joule
47. A force of 500 N acts on a body of moment arm 500 cm, the torque acting on it will be:
a) 25 0000 N. m
b) 25 00 N. m
c) 2.5 N. m
d) 0.25 N. m
48. The wire inside an electric bulb is known as:
a) Filament
b) Capacitor
c) Coil
d) Resistance
49. Magnification produced by plane mirror is:
a) - 1
b) None
c) +1
d) - 2
50. An object is placed at a distance of 5 cm from a convex mirror it image is formed at 10 cm , the focal length of the mirror is:
a) 10 cm
b) 20 cm
c) 25 cm
d) 15 cm
51. Ammeter is used for the:
a) Detection of current
b) Measurement of current
c) Measurement of e.m.f
d) Measurement of potential difference
52. Capacitor is a device which is used to store:
a) Electric charge
b) Resistance
c) Potential difference
d) Electric current only
53. If a current of 1.5 amp is flowing from a conductor of resistance 10 ohm then the potential difference across the ends of the conductor will be:
a) 15 Volt
b) 10 Volt
c) 0.15 Volt
d) 1.5 Volt
54. The mass of a body remains constant every where but its weight:
a) Also remains constant
b) Varies place to place
c) Does not remain constant
d) All can be applied
55. A positive magnification greater than unity indicates:
a) Distorted image
b) None of these
c) Virtual image
d) Real image
56. To measure the length more accurately up to 0.01cm the most suitable instrument is:
a) Screw gauge
b) Meter scale
c) Stop watch
d) Vernier scale
57. The insulating material kept between of plates of a capacitor is called:
a) Electrolyte
b) Conductor
c) Dielectric
d) Semi conductor
58. The charge flowing through a conductor in a unit time is called:
a) Capacity of capacitor
b) Potential Difference
c) Electric current
d) Resistance
59. Radio active elements having mass number more than;
a) None of these
b) 92
c) 72
d) 82
60. The S.I unit of length is:
a) Mile
b) Kilometer
c) Centimeter
d) Meter
61. Electric power is measured in:
a) Horse power
b) Kilo watt
c) Ohm
d) Watt
62. The work will be negative when the angle between force and displacement is:
a) 0 deg
b) 90 deg
c) 120 deg
d) 180 deg
63. A stone of mass 10 gm is tied to one end of a string of length 150 cm is whirled from the other end in a circle with the constant speed of 5 m/sec, the tension in the string will be:
a) 120 N
b) 0.0025 N
c) 0.16 N
d) 10 N
64. A stone is dropped from the height of a building it hits the ground after 5 seconds, the height of the building is:
a) 40 m
b) 125 m
c) 10m
d) 105 m
65. The charge on an electron is:
a) 9.11 x 10-31 C
b) 1.67 x 10-27 C
c) 1.6 x 1019 C
d) 1.6 x 10-19 C
66. If a body is located at a point twice the radius of the earth from the surface of the earth the value of acceleration due to gravity will be:
a) 1/6 times of g
b) 1/3 times of g
c) 1/9 times of g
d) None of these
67. The unit of coefficient of friction is:
a) None
b) m / sec
c) Newton
d) Kilogram
68. Joule / Coulomb is equal to:
a) Volt
b) Ampere
c) Watt
d) Farad
69. The rate of change of displacement is called:
a) Velocity
b) Acceleration
c) None of these
d) Speed
70. The expansion of water on cooling from 4 deg C to 0 deg C is known as:
a) Linear expansion
b) None of these
c) Thermal expansion
d) Anomalous expansion
71. The commercial unit of electricity is:
a) Joule - hour
b) Watt - hour
c) Kilowatt - hour ( Kwh)
d) Kilo- watt ( Kw)
72. Power is defined as:
a) Rate of change of position
b) Rate of change of momentum
c) Rate of change of velocity
d) Rate of change of work
73. A stick partially immersed in water appears broken due to
a) Total internal reflection of light
b) Reflection of light
c) Refraction of light
d) None of these
74. A convex lens forms a real image at a distance of 30 cm from the lens , if the object is placed at 15 cm from the lens than the magnification of the lens will be:
a) 0.5 times
b) 4 times
c) No magnification will produce
d) 2 times
75. Two equal, parallel and unlike forces having different lines of action represent as:
a) Tension
b) Moment arm
c) Weight
d) Couple
76. Rectification is a process which is obtained from:
a) Semi- conductor diode
b) Transistor
c) Resistance
d) Galvanometer
77. Kg . m/sec2 can also be expressed as:
a) Watt
b) Volt
c) Joule
d) Newton
78. Two forces of 5 N and 15 N are acting on a body in the same direction the resultant of these forces will be:
a) 0. 3 N
b) 3 N
c) 10 N
d) 20 N
79. A resistance of 19 Ohm when the potential difference is 120 Volt across it ends, the current passing through it will be:
a) 6.3 amp
b) 20 amp
c) 0.20 amp
d) 120 amp
80. The product of force and velocity is called as:
a) Energy
b) Torque
c) Acceleration
d) Power
81. A light bulb is used for 15 minutes for a current of 0.06 amp, the electric charge passes through the filament of the bulb is:
a) 5400 Coulomb
b) 4500 Coulomb
c) 200 Coulomb
d) 54 Coulomb
82. Gamma rays are:
a) Positively charges
b) Longitudinal in nature
c) Negatively charges
d) Neutral or uncharged rays
83. The type of lens used as a magnifying glass or simple microscope is:
a) Both Concave & convex lens can be used
b) Plano - convex lens
c) Concave Lens
d) Convex lens
84. 1 D is the power of the lens its focal length will be:
a) 0.5 m
b) 50 cm
c) 10 cm
d) 1.0 m
85. A 100 Watt bulb is operates by 220 V circuit, the current flowing through it will be:
a) 220 amp
b) 1.5 amp
c) 0.45 amp
d) 100 amp
86. The centripetal acceleration is inversely proportional to:
a) Centrifugal force
b) Mass of the body
c) Centripetal force
d) The radius of the circle
87. Alpha particles are consist of:
a) Helium nuclei
b) Fast moving electrons
c) Neutral particles
d) X - rays
88. The total kinetic energy of the molecules of a substance is called as it:
a) Heat
b) Temperature
c) Specific Heat
d) Latent Heat
89. Ohm's law is not obeyed by:
a) All of these
b) Discharge tube
c) Vacuum tubes
d) Electrolytes
90. The maximum density of water is at:
a) - 4 C
b) 4 C
c) 0 C
d) 100 C
91. Two resistances of 6 ohm and 12 ohm are connected in parallel, the combined resistance of the resistances is:
a) 18 ohm
b) 4 ohm
c) 2 ohm
d) 6 ohm
92. The only scalar quantity is:
a) Displacement
b) Velocity
c) Force
d) Speed
93. The resistance which is over come by the machine is called:
a) Load
b) Output
c) Input
d) Effort
94. Match the correct name of scientist: Laws of Reflection
a) Moosa Khawarzmi
b) Ibn- ul - Haitham
c) Al - Beruni
d) Yaqoob Al- Kundi
95. The value of acceleration due to gravity:
a) Remains same every where
b) Always increases
c) Always decreases
d) Varies from place to place
96. Dr. Abdus Salam was awarded Nobel Prize for the work on:
a) Grand Unification theory
b) Quantum theory
c) Special theory of relativity
d) Energy mass equation
97. Zero error is also called as:
a) Systematic error
b) Experimental error
c) Personal error
d) Random error
98. The kinetic energy of an object of mass 10 kg moving with a velocity of 36 km / hr will be:
a) 500 joule
b) 50 joule
c) 350 joule
d) 150 joule
99. The final image produced by a simple microscope is:
a) Real
b) Virtual & erect
c) Magnified but inverted
d) Real but diminished
100. The time period of seconds pendulum is:
a) 3 Sec
b) 4 Sec
c) 1 Sec
d) 2 Sec
101. The electric power is the product of:
a) Current and electrical energy
b) Resistance and current
c) Potential difference and current
d) Work and charge
102. Image formed in human eye is:
a) Real, inverted and small
b) Real, inverted and enlarged
c) Real, erect and small
d) Virtual, erect and small
103. The point at which the whole weight of a body les is called:
a) Gravity
b) Fulcrum
c) Turning point
d) Center of gravity
104. Reciprocal of focal length in meters is also known as the:
a) Focal length
b) Virtual image
c) Power of a lens
d) Real image
105. Concave lens always form:
a) Virtual Image
b) Real & magnified image
c) Real Image
d) Virtual but inverted image
106. One milli ampere =
a) 10+12
b) 10 -6
c) 10-3
d) 10-12
107. A convex mirror forms:
a) Virtual, inverted & magnified image
b) Virtual, erect & diminished image
c) Real and erect image
d) Real and magnified image
108. The image formed by a concave mirror id observed to be virtual, erect and enlarged. The position of the object should be:
a) At F
b) Between C & F
c) At C
d) Between F & Pole
109. When a galvanometer is converted into an ammeter a low value resistance is connected in parallel to the coil of galvanometer which is called as:
a) Zero resistance
b) Series resistor
c) Parallel resistor
d) Shunt resistance
110. The kinetic molecular theory after was experimentally observed by:
a) Charle's
b) Hook's
c) Boyle's
d) Robert Brown
111. The device used for measuring potential difference is:
a) All of these
b) Galvanometer
c) Ammeter
d) Voltmeter
112. The process by which liquids are converted into gaseous state with out boiling is called as:
a) Convection
b) Radiation
c) Evaporation
d) Conduction
113. Torque is a :
a) Time based quantity
b) Scalar quantity
c) Vector quantity
d) Mathematical quantity
114. When light bends as it enters in a different medium the process is known as:
a) Interference of light
b) Reflection of Light
c) Refraction of Light
d) Dispersion of Light
115. A force of 20 N is acting on a body along X -axis its vertical component will be:
a) 40 N
b) 20 N
c) 10 N
d) 0
116. A pair of scissors is an example of:
a) Inclined Plane
b) Wheel and Axle
c) Lever
d) Pulley
117. In an experiment performed in the laboratory the angle of incidence and angle of reflection both are measured to be 55°. This reading helps us to:
a) Verify the Laws of reflection of light
b) Find the velocity of light
c) Verify the velocity of light
d) Find the focal length
118. The unit of charge is:
a) Ampere
b) Coulomb
c) Volt
d) Farad
119. A bullet of mass 100 gm is fired with a velocity of 6000 cm / sec , the momentum of the bullet will be:
a) 60 Kg . m/s
b) 6 Kg. m/s
c) 1600 Kg . m/s
d) 600 Kg. m/s
 
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