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The optical phenomenon that is primarily responsible for the observation of rainbow on a rainy day is
  • a)
    diffraction
  • b)
    interference
  • c)
    dispersion
  • d)
    reflection
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
The optical phenomenon that is primarily responsible for the observat...
  • A rainbow is a natural spectrum appearing in the sky after a rain shower. It is caused by the dispersion of sunlight by tiny water droplets present in the atmosphere.
  • A rainbow is always formed in a direction opposite to that of the Sun. The water droplets act like small prisms.
  • They refract and disperse the incident sunlight, then reflect it internally, and finally refract it again when it comes out of the raindrops.
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Read the given passage carefully and select the best answer to each question out of the four given alternatives.Auroras, also known as northern lights, are a phenomenon that causes brilliant and colourful lights that shine in the sky. The bright green and red glow can be observed in areas closest to the earth’s poles, such as Alaska.While the phenomenon is extremely beautiful, the underlying geomagnetic disturbances that cause the lights can be very dangerous. The most remarkable of these events were recorded in 1859. A British astronomer named Richard Carrington was documenting sunspots when he observed two bright flashes that indicated a massive geomagnetic storm.The resulting magnetic pulse was so strong that it caused sparks to erupt from telegraph machines; shocking operators and in some cases setting their papers ablaze. This phenomenon became known as a Carrington event, after the astronomer who documented it. Though auroras are typically only seen close to the Polar Regions, during the Carrington Event, red auroras were seen as far as Hawaii and El Salvador.Auroras are caused by the earth’s magnetic poles reacting to solar particles. The electric current from the solar particles follow the earth’s magnetic fields and interact with the nitrogen and oxygen molecules in the atmosphere causing them to glow. The different gases emit different colours when they glow. Oxygen glows green and causes the most commonly seen auroras.The Carrington Event was different from a typical aurora because it was caused by a massive solar storm. In 1859, electronic technology was much more limited. The telegraphs that sparked during the incident were the height of telecommunications technology at the time.Q.______ glows green and causes the most commonly seen auroras.

Read the given passage carefully and select the best answer to each question out of the four given alternatives.Auroras, also known as northern lights, are a phenomenon that causes brilliant and colourful lights that shine in the sky. The bright green and red glow can be observed in areas closest to the earth’s poles, such as Alaska.While the phenomenon is extremely beautiful, the underlying geomagnetic disturbances that cause the lights can be very dangerous. The most remarkable of these events were recorded in 1859. A British astronomer named Richard Carrington was documenting sunspots when he observed two bright flashes that indicated a massive geomagnetic storm.The resulting magnetic pulse was so strong that it caused sparks to erupt from telegraph machines; shocking operators and in some cases setting their papers ablaze. This phenomenon became known as a Carrington event, after the astronomer who documented it. Though auroras are typically only seen close to the Polar Regions, during the Carrington Event, red auroras were seen as far as Hawaii and El Salvador.Auroras are caused by the earth’s magnetic poles reacting to solar particles. The electric current from the solar particles follow the earth’s magnetic fields and interact with the nitrogen and oxygen molecules in the atmosphere causing them to glow. The different gases emit different colours when they glow. Oxygen glows green and causes the most commonly seen auroras.The Carrington Event was different from a typical aurora because it was caused by a massive solar storm. In 1859, electronic technology was much more limited. The telegraphs that sparked during the incident were the height of telecommunications technology at the time.Q.What caused the Carrington Event?

The optical phenomenon that is primarily responsible for the observation of rainbow on a rainy day isa)diffractionb)interferencec)dispersiond)reflectionCorrect answer is option 'C'. Can you explain this answer?
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The optical phenomenon that is primarily responsible for the observation of rainbow on a rainy day isa)diffractionb)interferencec)dispersiond)reflectionCorrect answer is option 'C'. Can you explain this answer? for SSC 2024 is part of SSC preparation. The Question and answers have been prepared according to the SSC exam syllabus. Information about The optical phenomenon that is primarily responsible for the observation of rainbow on a rainy day isa)diffractionb)interferencec)dispersiond)reflectionCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for SSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The optical phenomenon that is primarily responsible for the observation of rainbow on a rainy day isa)diffractionb)interferencec)dispersiond)reflectionCorrect answer is option 'C'. Can you explain this answer?.
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