Flashcards: Class XI Physics Mechanics and Modern Physics — 27 cards

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1Question

What topics does the Physical Quantities section cover?

Answer

Precision, significant figures, dimensions, and dimensional analysis uses.

2Question

Which vector laws are covered in the Vectors section?

Answer

Triangle, parallelogram, and polygon laws of vectors.

3Question

What vector concepts are included besides vector laws in the Vectors section?

Answer

Resolution of vectors, unit vectors, and scalar and vector products.

4Question

What topics does the Kinematics section cover?

Answer

Instantaneous velocity and acceleration, relative velocity, equations of motion graphs, freely falling bodies, and projectile motion.

5Question

Which motion type is included in the Kinematics section's applications?

Answer

Projectile motion.

6Question

What kind of velocity is studied in the Kinematics section?

Answer

Instantaneous velocity.

7Question

What molecular concept does the Heat and Temperature section cover?

Answer

Thermal energy.

8Question

What law explains thermal equilibrium in the Heat and Temperature section?

Answer

The Zeroth law of thermodynamics.

9Question

What principle does the mercury thermometer use in the Heat and Temperature section?

Answer

Thermal equilibrium as a working principle.

10Question

What types of expansion are covered in the Thermal Expansion section?

Answer

Linear, cubical, and superficial expansion.

11Question

What method is used to determine liquid expansivity in the Thermal Expansion section?

Answer

The Dulong and Petit method.

12Question

Which equation is included in the Quantity of Heat section?

Answer

The ideal gas equation.

13Question

What constant is introduced in the Quantity of Heat section?

Answer

The Boltzmann constant.

14Question

What model explains gas pressure and kinetic energy in the Quantity of Heat section?

Answer

The kinetic-molecular model of an ideal gas.

15Question

What types of images are covered in Geometrical Optics?

Answer

Real and virtual images.

16Question

Which formula is included in the Geometrical Optics section?

Answer

The mirror formula.

17Question

What phenomenon involves light bending at a boundary in Geometrical Optics?

Answer

The laws of refraction.

18Question

What topics does the Nuclear Physics section cover?

Answer

Discovery of the nucleus, nuclear properties, nuclear reactions, and energy concepts.

19Question

What does the Solids section use to distinguish metals, insulators, and semiconductors?

Answer

Band theory and qualitative ideas of energy bands.

20Question

Which nuclear concept relates mass and energy according to Einstein?

Answer

Einstein’s mass-energy relation.

21Question

What nuclear processes involve splitting and combining nuclei?

Answer

Nuclear fission and nuclear fusion.

22Question

What types of semiconductors are included in the Solids section?

Answer

Intrinsic and extrinsic semiconductors.

23Question

Which particles are covered in the Particle Physics section?

Answer

Particles, antiparticles, quarks, baryons, mesons, leptons, and neutrinos.

24Question

What phenomena are covered in the Universe section?

Answer

The Big Bang, Hubble law, expansion of the Universe, dark matter, black holes, and gravitational waves.

25Question

Which particle types are included in the Particle Physics section?

Answer

Quarks, baryons, mesons, leptons, and neutrinos.

26Question

Which concept explains the Universe's expansion in the Universe section?

Answer

Hubble law.

27Question

What cosmic phenomena are included in the Universe section besides expansion?

Answer

Dark matter, black holes, and gravitational waves.

Test yourself with the quiz

Test your knowledge with 13 questions on Class XI Physics Mechanics and Modern Physics.

1. Which technique uses the dimensions of physical quantities to test whether an equation is dimensionally consistent?

2. Which vector construction represents the sum of two vectors acting from a common point?

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