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CBSE
Class 11
Physics
Physics Part - II
Kinetic Theory

Question Bank

Practice Hub

Question Bank: Kinetic Theory

This chapter explains the kinetic theory of gases, detailing how gas behaves due to the movement of its molecules. Understanding this theory is fundamental for grasping the properties of gases and their interactions.

Structured practice
Question Practice

Practice chapter questions in a cleaner, exam-ready flow

Start with curated question sets, move into full module views when needed, and keep discovering related practice without losing your place in the chapter.

Question Bank - Kinetic Theory

View all (102)
Q1.

What does the atomic hypothesis propose?

Single Answer MCQ
Q-00058218
View explanation
Q2.

According to Avogadro's law, what is true about equal volumes of gases at the same temperature and pressure?

Single Answer MCQ
Q-00058219
View explanation
Q3.

What is the primary characteristic of gases according to the kinetic theory?

Single Answer MCQ
Q-00058220
View explanation
Q4.

Which law explains that the volumes of gases that react chemically are in the ratio of small integers?

Single Answer MCQ
Q-00058221
View explanation
Q5.

In which state of matter do atoms have the ability to move around but are still close together?

Single Answer MCQ
Q-00058222
View explanation
Q6.

Which of the following scientists is credited with developing the kinetic theory of gases?

Single Answer MCQ
Q-00058223
View explanation
Q7.

What happens to gas particles as temperature increases, according to the kinetic theory?

Single Answer MCQ
Q-00058224
View explanation
Q8.

What is meant by the term 'mean free path' in the context of gases?

Single Answer MCQ
Q-00058225
View explanation
Q9.

Dalton's atomic theory emphasizes that:

Single Answer MCQ
Q-00058226
View explanation
Q10.

What are the characteristics of the particles in a gas?

Single Answer MCQ
Q-00058227
View explanation
Q11.

What is the reason gases have low densities compared to solids and liquids?

Single Answer MCQ
Q-00058228
View explanation
Q12.

Which of the following statements is a common misconception about gases?

Single Answer MCQ
Q-00058229
View explanation
Q13.

According to kinetic theory, the pressure of a gas results from:

Single Answer MCQ
Q-00058230
View explanation
Q14.

What effect does increasing volume have on the pressure of a gas at constant temperature?

Single Answer MCQ
Q-00058231
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Q15.

Which atom was proposed by Kanada to be a fundamental particle of matter?

Single Answer MCQ
Q-00058232
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Q16.

What is the main limitation of Democritus' atomic hypothesis?

Single Answer MCQ
Q-00058233
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Q17.

What determines the specific heat capacity of a gas according to kinetic theory?

Single Answer MCQ
Q-00058234
View explanation
Q18.

What does the kinetic theory primarily describe?

Single Answer MCQ
Q-00058241
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Q19.

Which scientist contributed to the development of the kinetic theory in the 19th century?

Single Answer MCQ
Q-00058243
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Q20.

According to kinetic theory, what can be neglected in gases compared to solids and liquids?

Single Answer MCQ
Q-00058245
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Q21.

What is the relationship described by Avogadro's Law?

Single Answer MCQ
Q-00058247
View explanation
Q22.

What is the significance of the mean free path in gases?

Single Answer MCQ
Q-00058249
View explanation
Q23.

Which hypothesis is related to the explanation of gas behavior under ideal conditions?

Single Answer MCQ
Q-00058251
View explanation
Q24.

In kinetic theory, which parameter is directly related to the temperature of a gas?

Single Answer MCQ
Q-00058253
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Q25.

What assumption does kinetic theory make about the size of gas molecules?

Single Answer MCQ
Q-00058254
View explanation
Q26.

What is the primary characteristic of gas molecules in kinetic theory?

Single Answer MCQ
Q-00058256
View explanation
Q27.

What does the term 'dynamic equilibrium' refer to in the context of gases?

Single Answer MCQ
Q-00058257
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Q28.

Which law indicates that pressure of a gas is inversely proportional to its volume at constant temperature?

Single Answer MCQ
Q-00058258
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Q29.

What is the main conclusion drawn from the kinetic theory about gas pressure?

Single Answer MCQ
Q-00058259
View explanation
Q30.

What aspect of gas behavior can Maxwell's distribution help explain?

Single Answer MCQ
Q-00058260
View explanation
Q31.

How does kinetic theory explain the specific heat capacities of gases?

Single Answer MCQ
Q-00058261
View explanation
Q32.

What is one of the limitations of the kinetic theory?

Single Answer MCQ
Q-00058262
View explanation
Q33.

What does the kinetic theory of gases primarily describe?

Single Answer MCQ
Q-00058263
View explanation
Q34.

According to the kinetic theory, the average kinetic energy of gas molecules is proportional to what?

Single Answer MCQ
Q-00058264
View explanation
Q35.

At which condition does the kinetic theory of gases apply best?

Single Answer MCQ
Q-00058265
View explanation
Q36.

What is the effect of increasing the temperature on the average speed of gas molecules?

Single Answer MCQ
Q-00058266
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Q37.

In an ideal gas, the relationship between pressure, volume, and temperature is expressed by which law?

Single Answer MCQ
Q-00058267
View explanation
Q38.

A gas is compressed at constant temperature. What happens to its pressure?

Single Answer MCQ
Q-00058268
View explanation
Q39.

Which assumption is NOT a part of the kinetic theory of gases?

Single Answer MCQ
Q-00058269
View explanation
Q40.

The mean free path of a gas molecule is defined as:

Single Answer MCQ
Q-00058270
View explanation
Q41.

To which gas law does the equation P ∝ 1/V (at constant T) refer?

Single Answer MCQ
Q-00058271
View explanation
Q42.

What happens to the internal energy of an ideal gas when it is compressed at constant temperature?

Single Answer MCQ
Q-00058272
View explanation
Q43.

For an ideal gas, which of the following statements is true?

Single Answer MCQ
Q-00058273
View explanation
Q44.

How does the average velocity of molecules change with increasing temperature in an ideal gas?

Single Answer MCQ
Q-00058274
View explanation
Q45.

Which parameter is NOT influenced by the average molecular speed in a gas?

Single Answer MCQ
Q-00058275
View explanation
Q46.

In real gases, deviations from ideal behavior occur at which conditions?

Single Answer MCQ
Q-00058276
View explanation
Q47.

Applying the law of equipartition of energy, how is energy distributed among degrees of freedom in a monatomic ideal gas?

Single Answer MCQ
Q-00058277
View explanation
Q48.

What is the main assumption of the kinetic theory of gases?

Single Answer MCQ
Q-00058278
View explanation
Q49.

According to Boyle's law, what happens to the pressure of a gas when its volume decreases at constant temperature?

Single Answer MCQ
Q-00058279
View explanation
Q50.

Which constant is used in the equation PV = nRT?

Single Answer MCQ
Q-00058280
View explanation
Q51.

The mean free path of gas molecules refers to:

Single Answer MCQ
Q-00058281
View explanation
Q52.

For a fixed amount of gas at constant pressure, what is the relationship between volume and temperature according to Charles' law?

Single Answer MCQ
Q-00058282
View explanation
Q53.

Which of the following statements best describes an ideal gas?

Single Answer MCQ
Q-00058283
View explanation
Q54.

In a gas mixture, the total pressure is equal to the sum of the:

Single Answer MCQ
Q-00058284
View explanation
Q55.

What is the unit of the Boltzmann constant (k)?

Single Answer MCQ
Q-00058285
View explanation
Q56.

If the temperature of a gas is increased while keeping the volume constant, what happens to the pressure?

Single Answer MCQ
Q-00058286
View explanation
Q57.

Which assumption is NOT part of the kinetic theory of gases?

Single Answer MCQ
Q-00058287
View explanation
Q58.

Which of the following describes an example of an elastic collision among gas molecules?

Single Answer MCQ
Q-00058288
View explanation
Q59.

What happens to the mean free path of gas molecules when the pressure increases?

Single Answer MCQ
Q-00058289
View explanation
Q60.

What is Avogadro's principle?

Single Answer MCQ
Q-00058290
View explanation
Q61.

The increase in kinetic energy of gas molecules with temperature leads to which of the following?

Single Answer MCQ
Q-00058291
View explanation
Q62.

Which equation defines the relationship described in the ideal gas law?

Single Answer MCQ
Q-00058292
View explanation
Q63.

What does the law of equipartition of energy state about energy distribution in a system?

Single Answer MCQ
Q-00058293
View explanation
Q64.

For a monatomic ideal gas, what is the molar specific heat at constant volume (Cv)?

Single Answer MCQ
Q-00058294
View explanation
Q65.

Which expression correctly describes the relationship between Cp and Cv for an ideal gas?

Single Answer MCQ
Q-00058295
View explanation
Q66.

What is the ratio of specific heats (γ) for a monatomic gas?

Single Answer MCQ
Q-00058296
View explanation
Q67.

Which type of degree of freedom is not accounted for in the specific heat of a monatomic gas?

Single Answer MCQ
Q-00058297
View explanation
Q68.

For a diatomic gas at room temperature, which of the following modes of motion contributes to its internal energy?

Single Answer MCQ
Q-00058298
View explanation
Q69.

If the molar specific heat at constant volume for a polyatomic gas is Cv = (3 + f)R, what does 'f' represent?

Single Answer MCQ
Q-00058299
View explanation
Q70.

What is the total energy of a diatomic ideal gas at temperature T according to the law of equipartition?

Single Answer MCQ
Q-00058300
View explanation
Q71.

When considering a gas mixture, which factor influences the average speed of gas molecules at the same temperature?

Single Answer MCQ
Q-00058301
View explanation
Q72.

What is the average kinetic energy for a single molecule of gas at a temperature T?

Single Answer MCQ
Q-00058302
View explanation
Q73.

What is the relationship between the mean free path and molecular density?

Single Answer MCQ
Q-00058303
View explanation
Q74.

How many energy modes are associated with each degree of freedom for a rotational motion?

Single Answer MCQ
Q-00058304
View explanation
Q75.

Which gas would you expect to require a higher molar specific heat at constant pressure, CO2 or N2?

Single Answer MCQ
Q-00058305
View explanation
Q76.

What does the specific heat capacity of a gas indicate?

Single Answer MCQ
Q-00058306
View explanation
Q77.

For a monatomic ideal gas, what is the predicted value of specific heat capacity at constant volume (C_v)?

Single Answer MCQ
Q-00058307
View explanation
Q78.

What happens to the specific heat capacity of a diatomic gas compared to a monatomic gas?

Single Answer MCQ
Q-00058308
View explanation
Q79.

How does the specific heat capacity at constant pressure (C_p) of an ideal gas typically compare to its specific heat capacity at constant volume (C_v)?

Single Answer MCQ
Q-00058309
View explanation
Q80.

If the temperature of one mole of an ideal monatomic gas increases by 20°C, how much heat is absorbed (Q) at constant volume?

Single Answer MCQ
Q-00058310
View explanation
Q81.

Which of the following gases will have the highest specific heat capacity?

Single Answer MCQ
Q-00058311
View explanation
Q82.

What is the significance of the law of equipartition of energy in the context of specific heat capacities?

Single Answer MCQ
Q-00058312
View explanation
Q83.

How do vibrational modes affect the specific heat capacity of polyatomic gases?

Single Answer MCQ
Q-00058313
View explanation
Q84.

If a gas's specific heat capacity is found to be greater than the theoretical prediction, what might explain this discrepancy?

Single Answer MCQ
Q-00058314
View explanation
Q85.

In the context of specific heat capacity, what does C_p - C_v represent?

Single Answer MCQ
Q-00058315
View explanation
Q86.

A gas has an empirical formula of CH₄. Which category of gas does it belong to regarding specific heat capacity?

Single Answer MCQ
Q-00058316
View explanation
Q87.

What factor causes gases to behave non-ideally at high pressures or low temperatures, affecting specific heat capacity measurements?

Single Answer MCQ
Q-00058317
View explanation
Q88.

For which type of process does the specific heat capacity apply at constant pressure?

Single Answer MCQ
Q-00058318
View explanation
Q89.

What does the mean free path of a gas molecule represent?

Single Answer MCQ
Q-00058331
View explanation
Q90.

If the diameter of gas molecules increases, how does this affect the mean free path?

Single Answer MCQ
Q-00058333
View explanation
Q91.

According to the formula for mean free path, which variable is NOT involved?

Single Answer MCQ
Q-00058335
View explanation
Q92.

What unit is typically used to express mean free path?

Single Answer MCQ
Q-00058337
View explanation
Q93.

If the number density of a gas increases, what happens to its mean free path?

Single Answer MCQ
Q-00058339
View explanation
Q94.

In a gas with molecules of higher mass, how does this affect their average speed at constant temperature?

Single Answer MCQ
Q-00058340
View explanation
Q95.

If the temperature of a gas decreases while the volume remains constant, how is the mean free path affected?

Single Answer MCQ
Q-00058341
View explanation
Q96.

What is the formula for calculating mean free path (l) in terms of molecular diameter (d) and number density (n)?

Single Answer MCQ
Q-00058342
View explanation
Q97.

How does the mean free path compare in gases at different temperatures if pressures are constant?

Single Answer MCQ
Q-00058343
View explanation
Q98.

Which of the following statements is true regarding the mean free path of a gas?

Single Answer MCQ
Q-00058344
View explanation
Q99.

What effect does doubling the temperature of a gas have on its mean free path, assuming all else remains constant?

Single Answer MCQ
Q-00058345
View explanation
Q100.

What unit is used to express number density (n) in the mean free path formula?

Single Answer MCQ
Q-00058346
View explanation
Q101.

Which factor does NOT directly affect the mean free path of a gas?

Single Answer MCQ
Q-00058347
View explanation
Q102.

What happens to the mean free path if both the temperature and diameter of gas molecules are increased simultaneously?

Single Answer MCQ
Q-00058348
View explanation
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