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  • Question

  • Formation of shadows can be explained by


  • Options
  • A. rectilinear propagation of light
  • B. reflection
  • C. refraction
  • D. total internal reflection

  • Correct Answer
  • rectilinear propagation of light 

    Explanation

    In this position, the head light will be at the principal focus so that the rays of light falling on the cancave mirror will be rendered parallel

    • More questions

    • 1. The phenomenon of an opening occurring in the earth's surface through which a jet of hot water and steam is forces out at irregular intervals is called

    • Options
    • A. crater
    • B. geyser
    • C. hot spring
    • D. volcano
      • Discuss
    • 2. Plants developing in dry conditions are

    • Options
    • A. xerophytes
    • B. mesophytes
    • C. lithophytes
    • D. hydrophytes
      • Discuss
    • 3. Which country has the largest coast line?

    • Options
    • A. USA
    • B. Australia
    • C. Canada
    • D. India
      • Discuss
    • 4. During the first crusade, crusaders reached Jerusalem and captured it in

    • Options
    • A. 1000 AD
    • B. 1099 AD
    • C. 1200 AD
    • D. 1515 AD
      • Discuss
    • 5. Vikramaditya, a king of Ujjain, started the Vikrama samvat in 58 BC in commemoration of his victory over


    • Options
    • A. Indo-Greeks
    • B. Sakas
    • C. Parthinas
    • D. Kushanas
      • Discuss
    • 6. Since 1983, the RBI's responsibility with respect to regional rural banks was transferred to


    • Options
    • A. ARDC
    • B. SBI
    • C. NABARD
    • D. PACs
      • Discuss
    • 7. The largest gulf in the world is


    • Options
    • A. Gulf of Mexico
    • B. Persian Gulf
    • C. Gulf of Carpentaria
    • D. Gulf of Mannar
      • Discuss
    • 8. How long are professional Golf Tour players allotted per shot?

    • Options
    • A. 45 seconds
    • B. 25 seconds
    • C. 1 minute
    • D. 2 minutes
      • Discuss
    • 9. The isotope of uranium capable of sustaining chain reaction is

    • Options
    • A. U-235
    • B. U-245
    • C. U-239
    • D. U-238
      • Discuss
    • 10. Radish is a

    • Options
    • A. bulb
    • B. conn
    • C. modified root
    • D. tuber
      • Discuss

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