Class 7 Exam > Class 7 Questions > . A rainbow can be seen in the sky(a) when th...
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. A rainbow can be seen in the sky
(a) when the sun is in front of you.
(b) when the sun is behind you.
(c) when the sun is overhead.
(d) only at the time of sunrise.?
(a) when the sun is in front of you.
(b) when the sun is behind you.
(c) when the sun is overhead.
(d) only at the time of sunrise.?
Most Upvoted Answer
. A rainbow can be seen in the sky(a) when the sun is in front of you....
Understanding Rainbows
Rainbows are fascinating natural phenomena that occur under specific conditions involving sunlight and water droplets in the atmosphere. The correct answer to the question of when a rainbow can be seen in the sky is:
When the Sun is Behind You
Reasons for Rainbow Appearance:
- Light Refraction: When sunlight passes through raindrops, it bends (or refracts) and splits into different colors. This is due to the varying wavelengths of light.
- Reflection: After refraction, some of the light is reflected off the back of the raindrop, which directs it toward the observer.
- Angle of View: The light reaches the observer at specific angles (typically between 40 and 42 degrees) to create a circular arc of colors.
Conditions for Viewing a Rainbow:
- Observer’s Position: To see a rainbow, the observer must be facing away from the sun, with the sun behind them.
- Presence of Water Droplets: Rain or mist is necessary to refract and reflect sunlight, forming the rainbow.
- Time of Day: Rainbows can appear at any time of the day, provided the sun is at the right angle and there are water droplets present in the air.
Conclusion:
In summary, a rainbow can be seen when the sun is behind you, illuminating water droplets in the atmosphere. Understanding these conditions enhances the appreciation of this beautiful natural occurrence.
Rainbows are fascinating natural phenomena that occur under specific conditions involving sunlight and water droplets in the atmosphere. The correct answer to the question of when a rainbow can be seen in the sky is:
When the Sun is Behind You
Reasons for Rainbow Appearance:
- Light Refraction: When sunlight passes through raindrops, it bends (or refracts) and splits into different colors. This is due to the varying wavelengths of light.
- Reflection: After refraction, some of the light is reflected off the back of the raindrop, which directs it toward the observer.
- Angle of View: The light reaches the observer at specific angles (typically between 40 and 42 degrees) to create a circular arc of colors.
Conditions for Viewing a Rainbow:
- Observer’s Position: To see a rainbow, the observer must be facing away from the sun, with the sun behind them.
- Presence of Water Droplets: Rain or mist is necessary to refract and reflect sunlight, forming the rainbow.
- Time of Day: Rainbows can appear at any time of the day, provided the sun is at the right angle and there are water droplets present in the air.
Conclusion:
In summary, a rainbow can be seen when the sun is behind you, illuminating water droplets in the atmosphere. Understanding these conditions enhances the appreciation of this beautiful natural occurrence.
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. A rainbow can be seen in the sky(a) when the sun is in front of you.(b) when the sun is behind you.(c) when the sun is overhead.(d) only at the time of sunrise.?
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. A rainbow can be seen in the sky(a) when the sun is in front of you.(b) when the sun is behind you.(c) when the sun is overhead.(d) only at the time of sunrise.? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about . A rainbow can be seen in the sky(a) when the sun is in front of you.(b) when the sun is behind you.(c) when the sun is overhead.(d) only at the time of sunrise.? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for . A rainbow can be seen in the sky(a) when the sun is in front of you.(b) when the sun is behind you.(c) when the sun is overhead.(d) only at the time of sunrise.?.
. A rainbow can be seen in the sky(a) when the sun is in front of you.(b) when the sun is behind you.(c) when the sun is overhead.(d) only at the time of sunrise.? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about . A rainbow can be seen in the sky(a) when the sun is in front of you.(b) when the sun is behind you.(c) when the sun is overhead.(d) only at the time of sunrise.? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for . A rainbow can be seen in the sky(a) when the sun is in front of you.(b) when the sun is behind you.(c) when the sun is overhead.(d) only at the time of sunrise.?.
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