[{"id":154238,"question":"The pattern of a crystalline solid is:","choices":[{"text":"One dimensional","value":"A"},{"text":"Two dimensional","value":"B"},{"text":"Three dimensional","value":"C"},{"text":"Either A or B","value":"D"},{"text":"None of these","value":"E"}],"correctAnswer":3},{"id":154237,"question":"An ordinary glass gradually softens into a paste-like state before it becomes a very viscous liquid. It happens almost at:","choices":[{"text":"800<span style=\"font-size: 10.5pt; line-height: 107%; font-family: Arial, sans-serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">°C</span>","value":"A"},{"text":"500<span style=\"font-size: 10.5pt; line-height: 107%; font-family: Arial, sans-serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">°C</span>","value":"B"},{"text":"300<span style=\"font-size: 10.5pt; line-height: 107%; font-family: Arial, sans-serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">°C</span>","value":"C"},{"text":"100<span style=\"font-size: 10.5pt; line-height: 107%; font-family: Arial, sans-serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">°C</span>","value":"D"},{"text":"None of these","value":"E"}],"correctAnswer":1},{"id":154236,"question":"Amorphous solids:","choices":[{"text":"Have definite melting point","value":"A"},{"text":"Are called glassy solids","value":"B"},{"text":"Have no definite meting point","value":"C"},{"text":"Both B and C","value":"D"},{"text":"Both A and C","value":"E"}],"correctAnswer":4},{"id":154235,"question":"The word amorphous means:","choices":[{"text":"Without any structure","value":"A"},{"text":"With define structure","value":"B"},{"text":"Regular arrangement of molecules","value":"C"},{"text":"Both B and C","value":"D"},{"text":"None of these","value":"E"}],"correctAnswer":1},{"id":154234,"question":" The force which maintains the strict long-range order between atoms of a crystalline solid is the:","choices":[{"text":"Nuclear force","value":"A"},{"text":"Cohesive force","value":"B"},{"text":"Adhesive force","value":"C"},{"text":"Coulomb force","value":"D"},{"text":"None of these","value":"E"}],"correctAnswer":2},{"id":154232,"question":"The transition from solid to liquid state is:","choices":[{"text":"Abrupt","value":"A"},{"text":"Slow","value":"B"},{"text":"Continuous","value":"C"},{"text":"Discontinuous","value":"D"},{"text":"Both A and D","value":"E"}],"correctAnswer":5},{"id":154231,"question":"The transition of from solid to liquid is actually from:","choices":[{"text":"Order to disorder","value":"A"},{"text":"Disorder to order","value":"B"},{"text":"Order to order","value":"C"},{"text":"Disorder to disorder","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":154230,"question":"Each atom in a metal crystal vibrates about a fixed point with a amplitude that:","choices":[{"text":"Decreases with rise in temperature","value":"A"},{"text":"Is not affected by rise in temperature","value":"B"},{"text":"Increases with rise in temperature","value":"C"},{"text":"Both B and C","value":"D"},{"text":"None of these","value":"E"}],"correctAnswer":3},{"id":154229,"question":"Zirconia is classified as:","choices":[{"text":"Ceramic solid","value":"A"},{"text":"Ionic compound","value":"B"},{"text":"Metal","value":"C"},{"text":"Either A or B","value":"D"},{"text":"Either B or C","value":"E"}],"correctAnswer":1},{"id":154228,"question":"The solids are classified as:","choices":[{"text":"Metals","value":"A"},{"text":"Crystalline","value":"B"},{"text":"Amorphous","value":"C"},{"text":"Polymeric","value":"D"},{"text":"All expect A","value":"E"}],"correctAnswer":5},{"id":154227,"question":"Crystalline solids are in the form of:","choices":[{"text":"Metals","value":"A"},{"text":"Ionic compounds","value":"B"},{"text":"Ceramics","value":"C"},{"text":"Both A and B","value":"D"},{"text":"All of these","value":"E"}],"correctAnswer":5},{"id":154226,"question":"A cable breaks if stretched by moe than 2mm, it is cut into two equal parts. How much either [art can be stretched without breaking?","choices":[{"text":"25 m","value":"A"},{"text":"1 mm","value":"B"},{"text":"2 mm","value":"C"},{"text":"0.5 m","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":154225,"question":"Curie temperature is a point where:","choices":[{"text":"Diamagnetism changes to paramagnetism","value":"A"},{"text":"paramagnetism changes to Diamagnetism","value":"B"},{"text":"Ferromagnetism changes to paramagnetism ","value":"C"},{"text":"paramagnetism  changes to Ferromagnetism","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":154224,"question":"If both the length and radius of rod are doubled, then the modulus of elasticity will:","choices":[{"text":"Increase","value":"A"},{"text":"Decrease","value":"B"},{"text":"Remains the same","value":"C"},{"text":"Doubled","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":154222,"question":"A wire is stretched to double of its length. Its train is:","choices":[{"text":"2","value":"A"},{"text":"1","value":"B"},{"text":"0","value":"C"},{"text":"0.5","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":154034,"question":"The rate of change of momentum of a molecule is equal to:","choices":[{"text":"Pressure","value":"A"},{"text":"Work","value":"B"},{"text":"Density","value":"C"},{"text":"Force","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":154033,"question":"If a molecule with momentum mv strikes a wall and rebound then the change in momentum will be:","choices":[{"text":"-2 mv","value":"A"},{"text":"Zero","value":"B"},{"text":"2 mv","value":"C"},{"text":"mv","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":154032,"question":"Pressure may be defined as_____per second per unit area:","choices":[{"text":"Change in force","value":"A"},{"text":"Change in momentum","value":"B"},{"text":"Change in energy","value":"C"},{"text":"Work done","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":154031,"question":"Truth of kinetic energy theory is confirmed by:","choices":[{"text":"Diffusion of gases","value":"A"},{"text":"Brownian motion","value":"B"},{"text":"Both A and B","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":154030,"question":"Electromagnetic waves emitted by hot bodies are called:","choices":[{"text":"Photoelectrons","value":"A"},{"text":"Alpha rats","value":"B"},{"text":"Thermal radiation","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":154029,"question":"The nature of thermal radiation is similar to:","choices":[{"text":"Ultraviolet rays","value":"A"},{"text":"Light rays","value":"B"},{"text":"Both of them","value":"C"},{"text":"None of them","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":154028,"question":"The relationship between Boltzmann constant K with R and N<sub>A</sub>is given as:","choices":[{"text":"k = RN<sub>A</sub>","value":"A"},{"text":"k = R/N<sub>A</sub>","value":"B"},{"text":"k = NR/N<sub>A</sub>","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":154026,"question":"At constant temperature, if the density of the gas is increased, its pressure will:","choices":[{"text":"Decrease","value":"A"},{"text":"Increase","value":"B"},{"text":"Remain unchanged","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":154024,"question":"The motion of molecules in gases i:","choices":[{"text":"Orderly","value":"A"},{"text":"Random","value":"B"},{"text":"Circular","value":"C"},{"text":"All of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":154023,"question":"In an ideal gas, the molecules have:","choices":[{"text":"Kinetic energy only","value":"A"},{"text":"Potential energy only","value":"B"},{"text":"Both KE and PE","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":154022,"question":"Which of the following does not have the same units:","choices":[{"text":"Work","value":"A"},{"text":"Heat","value":"B"},{"text":"Kinetic energy","value":"C"},{"text":"Power","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":154021,"question":"The temperature scale approved in SI units is:","choices":[{"text":"Calslus scale","value":"A"},{"text":"Kelvin scale","value":"B"},{"text":"Fehrenhelt scale","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":154020,"question":"In the theory of dimensional analysis, heat may be properly represented by:","choices":[{"text":"ML<sup>2</sup>T<sup>-2</sup>","value":"A"},{"text":"MT<sup>-2</sup>","value":"B"},{"text":"ML<sup>-1</sup>T<sup>-1</sup>","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":154019,"question":"The only significant motion possessed by the mono-atomic gas molecules is:","choices":[{"text":"Translatory","value":"A"},{"text":"Rotatory","value":"B"},{"text":"Vibratory","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":154018,"question":"At constant temperature, if the volume of a given mass of a gas is doubled, then the density of gas becomes:","choices":[{"text":"Double","value":"A"},{"text":"Remains constant","value":"B"},{"text":"Half","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":154017,"question":"Real gases strictly obey gas laws at:","choices":[{"text":"High pressures and low temperatures","value":"A"},{"text":"Low pressures and high temperatures","value":"B"},{"text":"High pressures and &amp; temperatures","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":154016,"question":"A gas which strictly obeys the gas laws under all conditions of temperatures and pressure is called:","choices":[{"text":"Ideal gas","value":"A"},{"text":"Inert gas","value":"B"},{"text":"Real gas","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":154014,"question":"When two objects come to common temperature, the body is said to be in:","choices":[{"text":"Static equilibrium","value":"A"},{"text":"Dynamic equilibrium","value":"B"},{"text":"Thermal equilibrium","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":154012,"question":"Absolute zero is considered as that temperature at which:","choices":[{"text":"All liquids become gases","value":"A"},{"text":"All gases become liquids","value":"B"},{"text":"Water freezes","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":154011,"question":"Hotness and coldness of an object is represented in terms of:","choices":[{"text":"Heat","value":"A"},{"text":"Temperature","value":"B"},{"text":"Chemicial","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":154010,"question":"When heat is added to the system, the entropy change is:","choices":[{"text":"Positive","value":"A"},{"text":"Negative","value":"B"},{"text":"Zero","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":154009,"question":"Only those processes are probable to take place for which entropy os the system:","choices":[{"text":"Increases","value":"A"},{"text":"Remains constant","value":"B"},{"text":"Both A and B are correct","value":"C"},{"text":"None of above","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":154008,"question":"No entropy change is associated with:","choices":[{"text":"Isothermal","value":"A"},{"text":"Adiabatic process","value":"B"},{"text":"Isobaric process","value":"C"},{"text":"None of them","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":154007,"question":"Number of spark plugs needed in diesel engine is:","choices":[{"text":"Four","value":"A"},{"text":"Five","value":"B"},{"text":"Six","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":154006,"question":"The efficiency of a particle heat engine:","choices":[{"text":"can be 100%","value":"A"},{"text":"Cannot be 100%","value":"B"},{"text":"Is always zero","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2}]