Five Year Papers

1.      When a body is placed on an inclined frictionless plane, the force by which the body slides down is equal to __________.

2.      In Michelson interferometer the movable mirror is moved__________  to produce a path difference of l/2.

3.      The bending of light waves around the sharp corners of an obstacle is called __________. Of light.

4.      The absolutely identical waves starting from the same point are said to be in __________.

5.      If an object is placed at the focus of a convex lens, its image will be formed at __________.

6.      In a compound microscope, the focal length of the eyepiece is __________ than the focal length of the objective.

7.      The crystalline lens in human eye is __________.

8.      Pinhole camera was designed by __________.

9.      The basic unit of luminous intensity is __________.

10.  Whenever the average and instantaneous velocities of a body are equal, the body is said to have __________ velocity.

11.  The dimensions of acceleration are __________.

12.  One radian is equal to __________.

13.  The time rate of change of __________ is called angular acceleration.

14.  For the translational equilibrium, the net force acting on the body must be equal to __________.

15.  One Kilowatt hour (kWh) is equal to __________ joules.

16.  Decibel is the unit of __________.

17.  Sound waves, which have frequency more than 20,000Hz are, called __________.

18.  Maxwell concluded that light waves are __________ in nature.

19.  Interference of light can be explained on the basis of __________ theory of light.

20.  If an object is placed at the focus of converging lens, its image will be formed at __________.

21.  In a compound microscope, the eyepiece is used as __________.

22.  Watt hour is the unit of __________.

23.  The size of the image formed by a concave lens is always __________ than the size of the object.

24.  The distance between two adjacent nodes is __________.

25.  The velocity of sound waves in vacuum is __________.

26.  Candela is the unit of __________.

27.  An imaginary line about which a body rotates is called __________.

28.  The torque acting on a particle is the time rate of change of its __________.

29.  The ability of light waves to bend around the sharp edges of obstacles in their path is called __________.

30.  A body is said to be in __________ equilibrium if the net force on it is zero.

31.  The least distance of distinct vision for a normal eye is __________.

32.  A vector in any given direction, whose magnitude is one is called __________.

33.  The product of mass and velocity is called __________.

34.  At maximum height the vertical velocity of a projectile is __________.

35.  The physical quantity, which tends to rotate a body is called __________.

36.  Einstein’s mass energy equation is __________.

37.  In a telescope the focal length of the objective is __________ than the focal length of the eyepiece.

38.  From the phenomenon of __________ it is proved that light waves are transverse.

39.  The dimension of any physical quantity can always be expressed as some combination of the __________ quantities.

40.  The force of attraction acts along the __________ joining the two interacting bodies.

41.  Internationally recognized unit of loudness is __________.

42.  The SI unit of momentum is __________.

Chapter 1

The Scope of Physics

1.         Physical sciences and biological sciences are the two branches of __________.

2.         The branch of physics, which deals with the interaction of matter and energy, is called __________.

3.         Ibn-e-Sina was famous in the field of __________.

4.         Medical text book Al-Qannun-Fil-Tib was written by __________.

5.         In C.G.S system the unit of force is __________.

6.         Unit of luminous intensity is __________.

7.         Dimension of volume is __________.

8.         Dimension of linear momentum is __________.

9.         16.7 contain __________ significant figures.

10.     Logarithm was invented by __________.

11.     The biological science deals with __________.

12.     The class of science, which deals with the properties and behaviour of non-living matter is called __________ science.

13.     Chinese for the first time manufactured __________.

14.     Egyptian used to measure the flood level in the river __________.

15.     The people of Euphrate and Tigris valleys were aware of calendar and had the knowledge of __________.

16.     The people of indus valley were pioneers of __________ system.

17.     There are two main branches of physics, namely classical physics and __________ physics.

18.     The founder of analytical algebra was __________.

19.     The author of Alsh-Shifa was __________.

20.     A high precision device for measuring the time with tremendously large accuracy is the __________.

21.     __________ is the unit of thermodynamic temperature.

22.     Ampere is the unit of __________.

23.     __________ is the amount of substance of a system which contain as many elementary entities as there are atom in 0.012kg of carbon 12.

24.     The word dimension is used to denote the __________ of a physical quantity.

25.     The dimension of area is __________.

26.     The dimension of linear velocity is __________.

27.     The dimension of acceleration is __________.

28.     The dimension of torque is __________.

29.     Dimension of universal gravitational constant (G) is __________.

30.     A number 4.71 contained __________ significant figures.

31.     Some concepts of static electricity were introduced by __________.

32.     Electromagnetic wave theory was proposed by __________.

33.     The name of Pakistani physicist renowned all over the world for his nuclear research is __________.

34.     The dimension of force is __________.

35.     Kelvin the unit of thermodynamic temperature is 1/273.16 of the thermodynamic temperature of __________ freezing point of water.

Chapter 2

Scalars and Vectors

1.         A physical quantity, which can be completely specified by its magnitude only, is called __________.

2.         A physical quantity, which can be completely described by its magnitude and direction, is called __________.

3.         Displacement is a __________ quantity.

4.         Power is a __________ quantity.

5.         Two vectors are __________ when they have same magnitude and same direction.

6.         The magnitude of vector will always be __________.

7.         In parallelogram law of vector addition the resultant of two vectors is represented by __________ of the parallelogram.

8.         Normally law of cosine is used to determine the __________ of the resultant vector.

9.         Law of __________ is normally used to determine the direction of resultant vector.

10.     The magnitude of __________ will always be equal to unity.

11.     The rectangular unit vectors