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JEE Advanced Magnetism and Matter — practice questions

Explore 20 free Magnetism and Matter questions in JEE Advanced Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Magnetism and Matter questions and exercises with answers

Showing questions 1–20 of 20.

Newton's FIRST law is also called the law of:Read the answer and worked solution →Newton's SECOND law states:Read the answer and worked solution →The SI unit of force is the:Read the answer and worked solution →Frictional force between surfaces ALWAYS acts:Read the answer and worked solution →Static friction f_s satisfies:Read the answer and worked solution →Kinetic friction f_k is given by:Read the answer and worked solution →For a body on a horizontal surface, the NORMAL FORCE N equals:Read the answer and worked solution →In circular motion at radius r and speed v, the centripetal acceleration is:Read the answer and worked solution →The ANGLE OF REPOSE φ is related to coefficient of friction by:Read the answer and worked solution →A 5 kg object experiences a net force of 20 N. Find its acceleration:Read the answer and worked solution →A 10 kg block on rough horizontal surface with μ_s = 0.3 just starts moving. Force applied:Read the answer and worked solution →A block of mass 2 kg on a smooth incline at 30°. Acceleration down the incline (g = 10):Read the answer and worked solution →A 1500 kg car accelerates from 0 to 30 m/s in 10 s. Average force on car:Read the answer and worked solution →In a tug-of-war, team A pulls with 200 N, team B pulls oppositely with 250 N. The rope (light) experiences net force:Read the answer and worked solution →Spot the wrong term in the Lorentz force expressionRead the answer and worked solution →Sort the magnetic materialsRead the answer and worked solution →Paramagnetic and ferromagneticRead the answer and worked solution →One word is wrongRead the answer and worked solution →Which ones belongRead the answer and worked solution →Which responds moreRead the answer and worked solution →

Worked practice questions

Newton's FIRST law is also called the law of:

  1. Inertia
  2. Action and reaction
  3. Gravity
  4. Friction
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Correct answer: A. Inertia

Law of Inertia: An object at rest stays at rest, and an object in motion stays in motion at constant velocity, unless acted upon by an unbalanced external force.

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Newton's SECOND law states:

  1. F = mv
  2. F = ma (net force = mass × acceleration)
  3. F = ½mv²
  4. F = mgh
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Correct answer: B. F = ma (net force = mass × acceleration)

Net force on an object equals its mass times its acceleration: F⃗ = ma⃗. The direction of acceleration is the same as net force. **SI unit of force:** newton (1 N = 1 kg·m/s²).

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The SI unit of force is the:

  1. joule
  2. newton
  3. watt
  4. pascal
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Correct answer: B. newton

Newton (N). 1 N = 1 kg·m/s² — the force that gives a 1 kg mass an acceleration of 1 m/s².

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More Physics topics

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