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Home General Knowledge Physics See What Others Are Saying!
  • Question
  • On a rainy day, small oil films on water show brilliant colours. This is due to


  • Options
  • A. dispersion
  • B. interference
  • C. diffraction
  • D. polarization

  • Correct Answer
  • interference 


  • More questions

    • 1. Who was the first Indian batsman to have achieved 300 runs in an innings in Tests?

    • Options
    • A. Sachin Tendulkar
    • B. Sourav Ganguly
    • C. Bishen Singh Bedi
    • D. Virender Sehwag
    • Discuss
    • 2. Which of the following groups of states has the largest deposits of iron ore?

    • Options
    • A. Andhra Pradesh and Karnataka
    • B. Bihar and Orissa
    • C. Madhya Pradesh and Maharashtra
    • D. West Bengal and Assam
    • Discuss
    • 3. The model that describes how various geological processes create, modify and influence rock is called

    • Options
    • A. water cycle
    • B. energy cycle
    • C. rock cycle
    • D. None of the above
    • Discuss
    • 4. The mountain building in Himalayas began

    • Options
    • A. about 45 million years ago
    • B. when the continental plates of India and Eurasia converged on each other
    • C. both (a) and (b)
    • D. None of the above
    • Discuss
    • 5. The Shimla Convention is an agreement that sets

    • Options
    • A. Shimla as a tourist spot
    • B. Shimla as the capital of Himachal Pradesh
    • C. boundary between India and Tibet
    • D. None of the above
    • Discuss
    • 6. The material which can be deformed permanently by heat and pressure is called a

    • Options
    • A. thermoplastic
    • B. thermoset
    • C. chemical compound
    • D. polymer
    • Discuss
    • 7. Which of the following places is known as 'Mecca of Indian Football'?

    • Options
    • A. Kolkata
    • B. Bombay
    • C. Haryana
    • D. Delhi
    • Discuss
    • 8. Three important rivers of the Indian subcontinent have their sources near the Mansarover Lake in the Great Himalayas. These rivers are

    • Options
    • A. Indus, Jhelum and Sutlej
    • B. Brahmaputra, Sutlej and Yamuna
    • C. Brahmaputra, Indus and Sutlej
    • D. Jhelum, Sutlej and Yamuna
    • Discuss
    • 9. Which of the following factors are responsible for India's failure to fully exploit the inland fisheries during the last five decades?

      1. Silting and pollution of the inland water bodies
      2. Deforestation in the catchment areas of the rivers
      3. Lack of marketing facilities
      Select the correct answer from the codes given below

    • Options
    • A. I, II and III
    • B. I and II
    • C. I and III
    • D. II and III
    • Discuss
    • 10. The typical area of sal forest in the Indian peninsular upland occurs

    • Options
    • A. on the western ghats
    • B. between the Tapti and the Narmada
    • C. to the north-east of the Godavari
    • D. on the Malwa plateau
    • Discuss


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