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Contents in Disha Ncert Xtract Physics Pdf
In this pdf book, There are a total of 30 chapters. These names are the following:
- Physical World
- Units and Measurements
- Motion in a Straight Line
- Motion in a Plane
- Laws of Motion
- Work, Energy, and Power
- System of Particles and Rotational Motion
- Gravitation
- Mechanical Properties of Solids
- Mechanical Properties of Fluids
- Thermal Properties of Matter
- Thermodynamics
- Kinetic Theory
- Oscillations
- Waves
- Electric Charges and Fields
- Electrostatic Potential and Capacitance
- Current Electricity
- Moving Charges and Magnetism
- Magnetism and Matter
- Electromagnetic Induction
- Alternating Current
- Electromagnetic Waves
- Ray Optics and Optical Instruments
- Wave Optics
- Dual Nature of Radiation and Matter
- Atoms
- Nuclei
- Semiconductor Electronics: Materials, Devices, and Simple Circuits
- Communication Systems
Important Questions of Physics
What is the unit of electric potential difference?
A) Ohm
B) Ampere
C) Volt
D) Coulomb
Answer: C) Volt
Which law of motion states that for every action, there is an equal and opposite reaction?
A) Newton’s First Law
B) Newton’s Second Law
C) Newton’s Third Law
D) Newton’s Law of Universal Gravitation
Answer: C) Newton’s Third Law
What is the SI unit of frequency?
A) Hertz
B) Newton
C) Pascal
D) Joule
Answer: A) Hertz
Which of the following is a vector quantity?
A) Mass
B) Temperature
C) Speed
D) Displacement
Answer: D) Displacement
What is the SI unit of work and energy?
A) Newton
B) Watt
C) Joule
D) Ohm
Answer: C) Joule
What is the state of matter in which particles have high energy and are not held together by strong forces?
A) Solid
B) Liquid
C) Gas
D) Plasma
Answer: C) Gas
Which of the following is an example of an electromagnetic wave used in communication?
A) Sound wave
B) X-ray
C) Radio wave
D) Water wave
Answer: C) Radio wave
What is the principle that states that the total electric charge in an isolated system remains constant?
A) Gauss’s Law
B) Coulomb’s Law
C) Faraday’s Law
D) Conservation of Charge
Answer: D) Conservation of Charge
Which of the following is the SI unit of pressure?
A) Pascal
B) Watt
C) Joule
D) Newton
Answer: A) Pascal
What is the process by which a solid changes directly into a gas without passing through the liquid phase called?
A) Sublimation
B) Evaporation
C) Condensation
D) Melting
Answer: A) Sublimation
Important MCQs of Physics for NEET, JEE
Which law of thermodynamics states that energy cannot be created or destroyed, only converted from one form to another?
A) Zeroth Law
B) First Law
C) Second Law
D) Third Law
Answer: B) First Law
What is the acceleration due to gravity on the surface of Earth?
A) 1 m/s²
B) 10 m/s²
C) 9.8 m/s²
D) 5 m/s²
Answer: C) 9.8 m/s²
Which electromagnetic wave has the highest energy per photon?
A) Radio wave
B) Microwave
C) Ultraviolet
D) Infrared
Answer: C) Ultraviolet
What is the SI unit of electric resistance?
A) Ohm
B) Ampere
C) Volt
D) Coulomb
Answer: A) Ohm
What is the law that states that the pressure of a gas is inversely proportional to its volume at a constant temperature?
A) Boyle’s Law
B) Charles’s Law
C) Gay-Lussac’s Law
D) Avogadro’s Law
Answer: A) Boyle’s Law
Which of the following is a unit of luminous intensity?
A) Lux
B) Candela
C) Lumen
D) Hertz
Answer: B) Candela
What is the energy stored in an object due to its position or height above the ground?
A) Kinetic energy
B) Gravitational potential energy
C) Elastic potential energy
D) Chemical energy
Answer: B) Gravitational potential energy
What is the principle that states that the angle of incidence is equal to the angle of reflection?
A) Snell’s Law
B) Huygens’ Principle
C) Fermat’s Principle
D) Law of Reflection
Answer: D) Law of Reflection
Which type of lens converges light rays to a single focal point?
A) Convex lens
B) Concave lens
C) Diverging lens
D) Plano-concave lens
Answer: A) Convex lens
What is the fundamental force that holds the nucleus of an atom together?
A) Gravitational force
B) Electromagnetic force
C) Weak nuclear force
D) Strong nuclear force
Answer: D) Strong nuclear force
Details of the Disha Ncert Xtract Physics Pdf
| Book Name | Disha Objective NCERT Xtract Physics |
| Author Name | Disha Experts |
| Pdf Language | English |
| Pdf Size | 8 MB |
| Total Pages | 516 |
Download the pdf of Disha Ncert Xtract Physics
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