Five Year Papers

1.         If a liquid contracts on freezing, an increase of pressure __________ the freezing point.

2.         The flux through a surface is maximum, when the angle between E and A is __________.

3.         An electron volt = __________ joules.

4.         Uit of Electric intensity in S.I system is __________.

5.         __________ is the unit of mutual-inductance.

6.         Back e.m.f is the effect of self-inductance in a coil when __________ current passes.

7.         From the theory of relativity the velocity of light is a __________ constant and is equal to __________m/s.

8.         The amount of heat, which is absorbed during the change of state without the rise in temperature, is known as __________.

9.         If heat energy is removed from the system, the change in entropy is __________.

10.     The flux through a closed surface, which does not contain any charge, is __________.

11.     The electric field at any point between two oppositely charged plain sheet is __________.

12.     __________ is the unit of physical quantity, Magnetic Induction B.

13.     If a one-metre long wire is placed perpendicularly in a magnetic field of value 5mT, the force it experiences is equal to 5N.

14.     The value of the permitivity of free space is given by __________.

15.     The minimum energy required to excite a hydrogen atom is __________.

16.     During the change of state, the heat supplied does not change the temperature. It is used in __________.

17.     The flux through a surface is maximum when the angle between E and DA is __________.

18.     The resistivity of a material of a conductor increases due to increase in __________.

19.     Back e.m.f is the effect of self-inductance in a coil when a __________ current passes through it.

20.     The frequency of the incident light at which the photons have energy equal to the work function of a metal is called the __________ of that metal.

21.     When temperature of source and sink of a heat engine becomes equal, the entropy change will be __________.

22.     Quantity of heat in a body depends upon its mass temperature and __________.

23.     Electric flux through any closed surface due to point charges enclosed in it is equal to __________.

24.     The __________ in the free electron is responsible for generation of current in the wire.

25.     Units of electrical energy commonly used is __________.

26.     A balanced __________ is used to determine an unknown resistance.

27.     Nuclei of same element with different nuclear masses but the same charge number are called __________.

28.     Radiations with wavelength greter than red light are called __________ radiations.

29.     The galvanometer can be made sensitive if the value of the factor C/BNA is __________.

30.     A particle with mass equal to an electron but charge that of proton is called __________.

Chapter 11

Heat

1.      Mathematically Boyle’s Law is stated as __________.

2.      Mathematically Charle’s Law is stated as __________.

3.      Absolute Zero of the temperature is __________.

4.      The gas in which the molecules exert no force on each other is called __________.

5.      In an ideal gas the molecules have __________.

6.      Most of the gases with low density and well above the liquefication temperature behave as __________.

7.      “At constant pressure and temperature the number of kilomoles of any gas is proportional to the volume of the gas.” This is called __________.

8.      General gas law is mathematically stated as __________.

9.      General gas law or general gas equation is derived from __________, __________, and __________.

10.  The value of universal gas constant R is given by __________.

11.  The pressure of an ideal gas is given by the following equation __________.

12.  In terms of average kinetic energy of the molecules of the gas, the pressure of an ideal gas is given as __________.

13.  “Equal volumes of gases at the same temperature and pressure contain equal number of molecules.” This is called __________.

14.  The change in length per unit length per Kelvin rise in temperature is called __________.

15.  Mathematically co-efficient linear expansion is written as __________.

16.  Coefficient of cubical expansion in terms of co-efficient of linear expansion is written as __________.

17.  The amount of heat required to raise the temperature of 1.0kg of a substance through 1k is called __________.

18.  The study of relationship between heat and other forms of energy is called __________.

19.  Any object or set of objects that we wish to consider is called __________.

20.  Every thing other than the system is termed as __________.

21.  A system in which the mass of the system remains constant is called a __________.

22.  The variables like p, V and t are called __________.

23.  The process in which the state variables acquire the same values at all stages of the process independent of the direction in which the process is being carried out is called __________.

24.  A cyclic process is that in which during each cycle, it extracts heat from a heat reservoir maintained at one temperature, converts part of this energy to useful work and rejects the remainder to a heat reservoir at a lower temperature is called __________.

25.  The ratio of net output work per cycle to input energy per cycle is called __________.

26.  A cycle that has highest possible efficiency is called __________.

27.  Efficiency of a Carnot Engine is defi