Why the sky appears blue? [#714]
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Q1. Why the sky appears blue?
Q1. Why the sky appears blue?
(A) Reflection of light
(A) Reflection of light
(A) Reflection of light
(B) Refraction of light
(B) Refraction of light
(B) Refraction of light
(C) Dispersion of light
(C) Dispersion of light
(C) Dispersion of light
(D) Diffraction of light
(D) Diffraction of light
(D) Diffraction of light
Answer: (C) Dispersion of light
Answer: (C) Dispersion of light
Answer: (C) Dispersion of light
Blue colour of the sky is due to dispersion or scattering of light. The two most common types of matter present in the atmosphere are gaseous nitrogen and oxygen. These particles are most effective in scattering the higher frequency and shorter wavelength portions of the visible light spectrum.
Blue colour of the sky is due to dispersion or scattering of light. The two most common types of matter present in the atmosphere are gaseous nitrogen and oxygen. These particles are most effective in scattering the higher frequency and shorter wavelength portions of the visible light spectrum.
Blue colour of the sky is due to dispersion or scattering of light. The two most common types of matter present in the atmosphere are gaseous nitrogen and oxygen. These particles are most effective in scattering the higher frequency and shorter wavelength portions of the visible light spectrum.
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Related MCQ Quizzes
Q1. What is the state bird of Assam?
Q1. What is the state bird of Assam?
(A) Peacock
(A) Peacock
(A) Peacock
(B) Parrot
(B) Parrot
(B) Parrot
(C) Pigeon
(C) Pigeon
(C) Pigeon
(D) White-winged Wood Duck
(D) White-winged Wood Duck
(D) White-winged Wood Duck
Answer: (D) White-winged Wood Duck
Answer: (D) White-winged Wood Duck
Answer: (D) White-winged Wood Duck
The White-winged Wood Duck, also known as Deo Hah, is the state bird of Assam. It's a rare and endangered species found primarily in the state.
The White-winged Wood Duck, also known as Deo Hah, is the state bird of Assam. It's a rare and endangered species found primarily in the state.
The White-winged Wood Duck, also known as Deo Hah, is the state bird of Assam. It's a rare and endangered species found primarily in the state.
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Q2. The sum of 5 consecutive odd numbers is found to be 95. The largest of the numbers is
Q2. The sum of 5 consecutive odd numbers is found to be 95. The largest of the numbers is
(A) 17
(A) 17
(A) 17
(B) 21
(B) 21
(B) 21
(C) 23
(C) 23
(C) 23
(D) 19
(D) 19
(D) 19
Answer: (C) 23
Answer: (C) 23
Answer: (C) 23
X + (X+2) + (X+4) + (X+6) + (X+8) = 95
=> 5X + 20 = 95
=> 5X = 95-20
=> 5X = 75
=> X = 15
Hence (X+8) = 15+8 = 23
X + (X+2) + (X+4) + (X+6) + (X+8) = 95 => 5X + 20 = 95 => 5X = 95-20 => 5X = 75 => X = 15 Hence (X+8) = 15+8 = 23
X + (X+2) + (X+4) + (X+6) + (X+8) = 95 => 5X + 20 = 95 => 5X = 95-20 => 5X = 75 => X = 15 Hence (X+8) = 15+8 = 23
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Q3. Find the value of the following expression
Q3. Find the value of the following expression
48÷12+4×25÷5
48÷12+4×25÷5
48÷12+4×25÷5
(A) 15
(A) 15
(A) 15
(B) 24
(B) 24
(B) 24
(C) 40
(C) 40
(C) 40
(D) 25
(D) 25
(D) 25
Answer: (B) 24
Answer: (B) 24
Answer: (B) 24
24
24
24
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Q4. Which Assamese tea variety is known for its distinct malty flavor and is highly prized in the international market?
Q4. Which Assamese tea variety is known for its distinct malty flavor and is highly prized in the international market?
(A) Assam CTC
(A) Assam CTC
(A) Assam CTC
(B) Nilgiri Tea
(B) Nilgiri Tea
(B) Nilgiri Tea
(C) Assam Orthodox
(C) Assam Orthodox
(C) Assam Orthodox
(D) Sikkim Tea
(D) Sikkim Tea
(D) Sikkim Tea
Answer: (C) Assam Orthodox
Answer: (C) Assam Orthodox
Answer: (C) Assam Orthodox
Assam Orthodox tea is renowned for its rich, malty flavor and is highly sought after in the global tea market. It is produced through traditional methods, preserving its unique taste.
Assam Orthodox tea is renowned for its rich, malty flavor and is highly sought after in the global tea market. It is produced through traditional methods, preserving its unique taste.
Assam Orthodox tea is renowned for its rich, malty flavor and is highly sought after in the global tea market. It is produced through traditional methods, preserving its unique taste.
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Q5. Choose the wrongly spelt word.
Q5. Choose the wrongly spelt word.
(A) bridle
(A) bridle
(A) bridle
(B) brisk
(B) brisk
(B) brisk
(C) bristel
(C) bristel
(C) bristel
(D) brittle
(D) brittle
(D) brittle
Answer: (C) bristel
Answer: (C) bristel
Answer: (C) bristel
The wrongly spelt word is - bristel.
The correctly spelt word is - bristle.
When something "bristles," it means its hairs or fibers stand up straight and often in anger or irritation.
The wrongly spelt word is - bristel. The correctly spelt word is - bristle. When something "bristles," it means its hairs or fibers stand up straight and often in anger or irritation.
The wrongly spelt word is - bristel. The correctly spelt word is - bristle. When something "bristles," it means its hairs or fibers stand up straight and often in anger or irritation.
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Q6. What was the main aim of the Chipko movement?
Q6. What was the main aim of the Chipko movement?
(A) To reduce the soil erosion
(A) To reduce the soil erosion
(A) To reduce the soil erosion
(B) To promote the production of milk
(B) To promote the production of milk
(B) To promote the production of milk
(C) To avoid the child labour
(C) To avoid the child labour
(C) To avoid the child labour
(D) To protect the trees of the forests to be cut
(D) To protect the trees of the forests to be cut
(D) To protect the trees of the forests to be cut
Answer: (D) To protect the trees of the forests to be cut
Answer: (D) To protect the trees of the forests to be cut
Answer: (D) To protect the trees of the forests to be cut
To protect the trees of the forests to be cut.
To protect the trees of the forests to be cut.
To protect the trees of the forests to be cut.
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Q7. What percentage of India's land area is covered by Assam?
Q7. What percentage of India's land area is covered by Assam?
(A) 2.4%
(A) 2.4%
(A) 2.4%
(B) 2.5%
(B) 2.5%
(B) 2.5%
(C) 3.4%
(C) 3.4%
(C) 3.4%
(D) 2.3%
(D) 2.3%
(D) 2.3%
Answer: (A) 2.4%
Answer: (A) 2.4%
Answer: (A) 2.4%
Assam, a state in Northeast India, occupies approximately 78,438 square kilometers, which constitutes roughly 2.39% of India's total land area of 3,287,263 square kilometers.
Assam, a state in Northeast India, occupies approximately 78,438 square kilometers, which constitutes roughly 2.39% of India's total land area of 3,287,263 square kilometers.
Assam, a state in Northeast India, occupies approximately 78,438 square kilometers, which constitutes roughly 2.39% of India's total land area of 3,287,263 square kilometers.
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Q8. Which community is the largest minority in Assam?
Q8. Which community is the largest minority in Assam?
(A) Christians
(A) Christians
(A) Christians
(B) Sikhs
(B) Sikhs
(B) Sikhs
(C) Buddhists
(C) Buddhists
(C) Buddhists
(D) Muslims
(D) Muslims
(D) Muslims
Answer: (D) Muslims
Answer: (D) Muslims
Answer: (D) Muslims
According to the 2011 census, Muslims constitute the largest minority community in Assam.
According to the 2011 census, Muslims constitute the largest minority community in Assam.
According to the 2011 census, Muslims constitute the largest minority community in Assam.
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Q9. Choose the correctly spelt word.
Q9. Choose the correctly spelt word.
(A) Nocturenal
(A) Nocturenal
(A) Nocturenal
(B) Nocturnal
(B) Nocturnal
(B) Nocturnal
(C) Nocternal
(C) Nocternal
(C) Nocternal
(D) Nocturnel
(D) Nocturnel
(D) Nocturnel
Answer: (B) Nocturnal
Answer: (B) Nocturnal
Answer: (B) Nocturnal
The correctly spelt word is - Nocturnal.
Nocturnal means active at night.
Animals: Many animals, such as owls, bats, and some insects, are nocturnal. They sleep during the day and are most active at night.
The correctly spelt word is - Nocturnal. Nocturnal means active at night. Animals: Many animals, such as owls, bats, and some insects, are nocturnal. They sleep during the day and are most active at night.
The correctly spelt word is - Nocturnal. Nocturnal means active at night. Animals: Many animals, such as owls, bats, and some insects, are nocturnal. They sleep during the day and are most active at night.
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Q10. Who is the current CEO Of YouTube
Q10. Who is the current CEO Of YouTube
(A) Larry Page
(A) Larry Page
(A) Larry Page
(B) Neal Mohan
(B) Neal Mohan
(B) Neal Mohan
(C) Satya Nadella
(C) Satya Nadella
(C) Satya Nadella
(D) Sundar Pichai
(D) Sundar Pichai
(D) Sundar Pichai
Answer: (B) Neal Mohan
Answer: (B) Neal Mohan
Answer: (B) Neal Mohan
Neal Mohan
Neal Mohan
Neal Mohan
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