Physics (School & Undergraduate)

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Physics (School & Undergraduate) MCQ & Objective Questions

Physics is a fundamental subject that plays a crucial role in school and undergraduate exams. Mastering Physics concepts not only enhances your understanding of the universe but also significantly boosts your exam scores. Practicing MCQs and objective questions helps you identify important topics and improves your problem-solving skills, making it an essential part of your exam preparation.

What You Will Practise Here

  • Newton's Laws of Motion and their applications
  • Work, Energy, and Power concepts and formulas
  • Waves and Sound: Properties and equations
  • Optics: Reflection, refraction, and lens formulas
  • Thermodynamics: Laws and key definitions
  • Electromagnetism: Basics of electric fields and circuits
  • Modern Physics: Introduction to quantum mechanics and relativity

Exam Relevance

Physics is a significant part of the curriculum for CBSE, State Boards, NEET, and JEE exams. Questions often focus on conceptual understanding and application of formulas. Common patterns include numerical problems, theoretical questions, and diagram-based queries. Familiarizing yourself with these patterns through practice is vital for success in these competitive exams.

Common Mistakes Students Make

  • Misunderstanding the application of Newton's Laws in different scenarios
  • Confusing work done with energy concepts
  • Overlooking the importance of units and dimensions in calculations
  • Neglecting to draw diagrams for problems related to optics and mechanics
  • Failing to relate theoretical concepts to practical examples

FAQs

Question: What are some effective ways to prepare for Physics MCQs?
Answer: Regular practice of MCQs, understanding key concepts, and revising important formulas are effective strategies for preparation.

Question: How can I improve my problem-solving speed in Physics exams?
Answer: Practice timed quizzes and focus on solving a variety of problems to enhance your speed and accuracy.

Don't wait any longer! Start solving practice MCQs today to test your understanding and boost your confidence in Physics. Remember, consistent practice is the key to mastering important Physics (School & Undergraduate) questions for exams.

Q. What is the relationship between induced emf and the resistance of the circuit?
  • A. Induced emf is independent of resistance
  • B. Higher resistance leads to higher induced emf
  • C. Lower resistance leads to higher induced emf
  • D. Induced emf is inversely proportional to resistance
Q. What is the relationship between linear momentum and angular momentum for a rolling object?
  • A. They are equal.
  • B. Angular momentum is linear momentum multiplied by radius.
  • C. Angular momentum is linear momentum divided by radius.
  • D. They are independent of each other.
Q. What is the relationship between linear velocity and angular velocity for a point on a rotating rigid body?
  • A. v = rω
  • B. v = ω/r
  • C. v = r/ω
  • D. v = ω + r
Q. What is the relationship between temperature and kinetic energy in gases?
  • A. Directly proportional
  • B. Inversely proportional
  • C. No relationship
  • D. Exponential relationship
Q. What is the relationship between the charge (Q) and the voltage (V) across a capacitor?
  • A. Q = V/R
  • B. Q = C*V
  • C. Q = V/C
  • D. Q = R*V
Q. What is the relationship between the energy of a photon and its frequency?
  • A. Energy is directly proportional to frequency
  • B. Energy is inversely proportional to frequency
  • C. Energy is independent of frequency
  • D. Energy is proportional to the square of frequency
Q. What is the relationship between the root mean square speed (v_rms) and temperature (T) for an ideal gas?
  • A. v_rms = sqrt(3kT/m)
  • B. v_rms = sqrt(2kT/m)
  • C. v_rms = sqrt(kT/m)
  • D. v_rms = 3kT/m
Q. What is the relationship between torque and angular acceleration for a rigid body?
  • A. Torque = Moment of inertia × Angular velocity
  • B. Torque = Moment of inertia × Angular acceleration
  • C. Torque = Angular acceleration / Moment of inertia
  • D. Torque = Angular velocity × Moment of inertia
Q. What is the relationship between torque and angular acceleration?
  • A. Torque = I * α
  • B. Torque = F * r
  • C. Torque = m * a
  • D. Torque = p * v
Q. What is the relationship between voltage (V), current (I), and resistance (R) according to Ohm's Law?
  • A. V = I * R
  • B. I = V * R
  • C. R = V / I
  • D. V = R / I
Q. What is the relationship between voltage, current, and resistance in an RC circuit according to Ohm's Law?
  • A. V = I * R
  • B. I = V * R
  • C. R = V/I
  • D. Both A and C
Q. What is the role of a rectifier in a semiconductor circuit?
  • A. To convert DC to AC
  • B. To convert AC to DC
  • C. To amplify signals
  • D. To store electrical energy
Q. What is the root mean square speed of gas molecules at a temperature of 300 K for a gas with a molar mass of 0.029 kg/mol?
  • A. 300 m/s
  • B. 400 m/s
  • C. 500 m/s
  • D. 600 m/s
Q. What is the root mean square speed of nitrogen gas (N2) at 300 K? (Molar mass of N2 = 28 g/mol)
  • A. 400 m/s
  • B. 500 m/s
  • C. 600 m/s
  • D. 700 m/s
Q. What is the rotational equivalent of Newton's second law?
  • A. τ = I * α
  • B. F = m * a
  • C. W = F * d
  • D. p = m * v
Q. What is the significance of the emission spectrum of an atom?
  • A. It shows the mass of the atom
  • B. It indicates the energy levels of electrons
  • C. It determines the size of the nucleus
  • D. It reveals the temperature of the atom
Q. What is the significance of the wave-particle duality in quantum mechanics?
  • A. Particles can only behave as waves.
  • B. Waves can only behave as particles.
  • C. Particles exhibit both wave-like and particle-like properties.
  • D. There is no duality; they are separate phenomena.
Q. What is the significance of the wave-particle duality?
  • A. It shows that particles can only behave as waves.
  • B. It indicates that light and matter exhibit both wave-like and particle-like properties.
  • C. It proves that energy is quantized.
  • D. It suggests that particles can exist in multiple locations.
Q. What is the specific heat capacity of a substance if 2000 J of heat raises its temperature from 20°C to 60°C for 1 kg of the substance?
  • A. 1000 J/kg°C
  • B. 2000 J/kg°C
  • C. 500 J/kg°C
  • D. 3000 J/kg°C
Q. What is the specific heat capacity of a substance if 500 J of heat raises the temperature of 2 kg of the substance by 10°C?
  • A. 25 J/kg°C
  • B. 50 J/kg°C
  • C. 100 J/kg°C
  • D. 200 J/kg°C
Q. What is the speed of a wave if its frequency is 500 Hz and its wavelength is 2 meters?
  • A. 1000 m/s
  • B. 250 m/s
  • C. 500 m/s
  • D. 2000 m/s
Q. What is the standard unit of length in the SI system?
  • A. Centimeter
  • B. Meter
  • C. Kilometer
  • D. Millimeter
Q. What is the term for the bending of light as it passes from one medium to another?
  • A. Reflection
  • B. Refraction
  • C. Diffraction
  • D. Dispersion
Q. What is the term for the bending of waves around obstacles?
  • A. Reflection
  • B. Refraction
  • C. Diffraction
  • D. Interference
Q. What is the term for the energy required to change a substance from solid to liquid at its melting point?
  • A. Latent heat of fusion
  • B. Latent heat of vaporization
  • C. Specific heat
  • D. Thermal energy
Q. What is the term for the expansion of materials when heated?
  • A. Thermal contraction
  • B. Thermal expansion
  • C. Thermal equilibrium
  • D. Thermal conductivity
Q. What is the term for the maximum displacement of a wave from its equilibrium position?
  • A. Wavelength
  • B. Amplitude
  • C. Frequency
  • D. Period
Q. What is the term for the minimum amount of energy required to remove an electron from an atom?
  • A. Ionization energy
  • B. Binding energy
  • C. Dissociation energy
  • D. Activation energy
Q. What is the term for the minimum energy required to remove an electron from an atom?
  • A. Ionization energy
  • B. Binding energy
  • C. Dissociation energy
  • D. Activation energy
Q. What is the thermal conductivity of a material if a 1 m² area conducts 100 W of heat through a thickness of 0.1 m with a temperature difference of 50°C?
  • A. 0.2 W/m°C
  • B. 0.5 W/m°C
  • C. 1 W/m°C
  • D. 2 W/m°C
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