Important 5 Marks Questions for CBSE Class 12 Physics
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Questions and Answers

When is the Class 12th board examination generally conducted?

  • March (correct)
  • January
  • May
  • July

What is one of the best ways to prepare for the examination according to the text?

  • Playing outdoor sports
  • Solving important questions (correct)
  • Watching educational videos
  • Listening to music

Which field requires students to prepare well for Physics in Class 12?

  • Law
  • Literature
  • Medical or engineering (correct)
  • History

Who designs the important questions according to the latest CBSE Class 12 Physics syllabus?

<p>Subject experts (A)</p> Signup and view all the answers

In the context of Biot-Savart’s law, what does a toroid consist of?

<p>A toroid consists of a solenoid (D)</p> Signup and view all the answers

When using Gauss’ law, what is the expression for the electric field outside a uniformly charged spherical conducting shell?

<p>$\frac{1}{4\pi\varepsilon_0}\frac{Q}{r^2}$ (D)</p> Signup and view all the answers

What is the Van de Graaff generator used for?

<p>To transfer a large amount of charge to the outer sphere (A)</p> Signup and view all the answers

What is the role of the crossed electric and magnetic fields in a cyclotron?

<p>To accelerate charged particles (B)</p> Signup and view all the answers

Based on the graph, what conclusions can be drawn about the nature of nuclear force?

<p>Nuclear force is attractive and short-range (D)</p> Signup and view all the answers

What is the basic nuclear process of neutron undergoing β -decay?

<p>$n \rightarrow p + e^- + \overline{v_e}$ (A)</p> Signup and view all the answers

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