Modern Physics and Inventions – NDA Previous Year Questions (2021–2023)

All 7 NDA previous-year questions from Modern Physics and Inventions (General Knowledge (Physics)), 2021–2023, taken from 3 papers. Practise them together in one test with the official marking and answer key, then review every answer.

▶ Practise all 7 questionsAll NDA chapters

Modern Physics and Inventions questions by paper

Sample questions

• NDA 2023 (I) Paper II GAT
  Which one of the following statements about X-rays is not true a They have of about 1 A These can be generated by bombarding a metal target by high energy electrons Due…
• NDA 2021 (I) Paper II GAT
  Which of the following pairs of physical phenomenon and the discoverer is are correctly matched 1 James Chadwick Photoelectric effect 2 Albert Einstein Neutron 3 Marie…
• NDA 2021 (I) Paper II GAT
  LED a semi-conductor device is an abbreviation that stands for a Licence for Energy Detector Light Energy Device Light Emitting Diode Lost Energy Detector
• NDA 2021 (I) Paper II GAT
  When light is scattered by a molecule and the frequency of the scattered light is changed this phenomenon is called a Rayleigh scattering Raman effect Photoelectric…

Question text shown from the scanned paper; open the test to see each question exactly as printed.

More General Knowledge chapters

• Units and Measurement 3
• Mechanics and Motion 32
• Properties of Matter 10
• Heat 6
• Sound and Waves 12
• Light and Optics 37
• Electricity and Magnetism 34
• Physical and Chemical Changes 9
• Elements, Mixtures and Compounds 11
• Atomic Structure and Periodic Table 18
• Acids, Bases and Salts 10
• Metals and Non-metals 12
• Carbon and Organic Chemistry 13
• Chemistry in Daily Life 17
• Cell and Life Processes 22
• Human Body and Health 7
• Food and Nutrition 2
• Plants and Animals 25
• Diseases and Prevention 4
• Science and Technology 3
• Ancient India 16
• Medieval India 13
• Modern India and Freedom Movement 37
• World History 15