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Scottish Highers Physics — practice by topic

Browse 19 questions across 8 Physics topics. Choose what you want to revise, then open a question to check its answer and worked solution.

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Physics topics

Magnetism (10)The Quantum Nature of Light (3)Electromagnetic Induction (1)Induced Electromotive Force (1)Magnetic Fields, Field Lines, and Force (1)Motors, Generators, and Transformers (1)The Photoelectric Effect (1)Transmission of Electrical Power (1)

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Which materials are named as exhibiting strong magnetic effects and being called ferromagnetic?Read the answer and worked solution →What is an electromagnet?Read the answer and worked solution →What recognition did Max Planck receive for his work on quantized energy in blackbody radiation?Read the answer and worked solution →What is the name for the twofold property of electromagnetic radiation whereby light has properties of both particles and waves?Read the answer and worked solution →

Worked practice questions

Which materials are named as exhibiting strong magnetic effects and being called ferromagnetic?

  1. Copper, aluminium, gold, and silver
  2. Iron, cobalt, nickel, and gadolinium
  3. Carbon, oxygen, nitrogen, and hydrogen
  4. Zinc, tin, lead, and mercury
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Correct answer: B. Iron, cobalt, nickel, and gadolinium

1. Only certain materials exhibit strong magnetic effects, and these are called ferromagnetic. 2. The materials named are iron, cobalt, nickel, and gadolinium. 3. Metals such as copper, aluminium, gold and silver are not part of this named group of strongly magnetic materials. _Source: OpenStax Physics (CC BY 4.0), Ch 20 "Magnetism", section 20.1 Magnetic Fields, Field Lines, and Force_

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What is an electromagnet?

  1. A device that uses electric current to make a magnetic field
  2. A permanent magnet that never loses its field over time
  3. A compass needle mounted so it can rotate freely
  4. A material that is ferromagnetic only above its Curie temperature
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Correct answer: A. A device that uses electric current to make a magnetic field

1. An electromagnet is a device that uses electric current to make a magnetic field. 2. Its magnetism is temporary and induced, lasting only as long as current flows, which is why it is described as temporarily induced. 3. A compass is a different device, one that responds to an existing field rather than generating one. _Source: OpenStax Physics (CC BY 4.0), Ch 20 "Magnetism", section 20.1 Magnetic Fields, Field Lines, and Force_

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What recognition did Max Planck receive for his work on quantized energy in blackbody radiation?

  1. The Nobel Prize in Chemistry in 1905
  2. No formal recognition during his own lifetime
  3. The Nobel Prize in Physics in 1929
  4. The Nobel Prize in Physics in 1918
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Correct answer: D. The Nobel Prize in Physics in 1918

1. Planck's discovery of energy quantization earned him the Nobel Prize in Physics in 1918. 2. The 1929 Nobel Prize belongs instead to Arthur Compton, for his later discovery of the Compton effect. 3. Planck did receive formal recognition during his lifetime, so the claim of none is incorrect. _Source: OpenStax Physics (CC BY 4.0), Ch 21 "The Quantum Nature of Light", section 21.1 Planck and Quantum Nature of Light_

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