Introduction to Physics, Class 11 Physics NCERT Solutions

1. There will be total 10  MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying.

1. Which scientist does not belong to Germany?

 Hertz

 Werner Heisenberg

 Roentgen

 Niels Bohr

Question 1 of 10

2. Who discovered radioactivity?

 Einstein

 Becquerel

 Newton

 C.V. Raman

Question 2 of 10

3. Which is the strongest fundamental force of nature?

 Gravitational force

 Weak nuclear force

 Strong nuclear force

 Electromagnetic force

Question 3 of 10

4. Which force operates among the heavier elementary particles?

 Strong nuclear force

 Electromagnetic force

 Gravitational force

 Weak nuclear force

Question 4 of 10

5. Electromagnetic force is stronger than gravitational force by a factor of

 10¹⁰

 10³⁶

 10³

 100

Question 5 of 10

6. Who discovered the ultra short radio waves?

 James Clerk Maxwell

 J.C. Bose

 J.J. Thomson

 Marie Curie

Question 6 of 10

7. The wave nature of electrons is used in which of the following devices?

  Photocell

 Electron microscope

 Tokamak

 Aeroplane

Question 7 of 10

8. The phenomenon of Photoelectric effect is used in

  Photocell

 Sonar

 Electron microscope

 Optical fibres

Question 8 of 10

9. According to Einstein’s theory, mass and energy are related as

  E = m/c

 E = mc²

 E = m c

  E = m/c²

Question 9 of 10

10. On which laws is the principle of rocket propulsion based?

  Newton’s first law of motion

 Newton’s law of gravitation

 Laws of thermodynamics

 Newton’s second and third laws of motion

Question 10 of 10

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