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. My father ____ 70 years old next Monday.
Q1. My father ____ 70 years old next Monday.
Complete the sentence with correct tense.
Complete the sentence with correct tense.
Complete the sentence with correct tense.
(A) Will
(A) Will
(A) Will
(B) Is
(B) Is
(B) Is
(C) Will have
(C) Will have
(C) Will have
(D) Will be
(D) Will be
(D) Will be
Answer: (D) Will be
Answer: (D) Will be
Answer: (D) Will be
Will be
Will be
Will be
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Q2. Two numbers are in the ratio of 2 : 3 and the product of their LCM and HCF is 96. The sum of the numbers is
Q2. Two numbers are in the ratio of 2 : 3 and the product of their LCM and HCF is 96. The sum of the numbers is
(A) 8
(A) 8
(A) 8
(B) 12
(B) 12
(B) 12
(C) 20
(C) 20
(C) 20
(D) 36
(D) 36
(D) 36
Answer: (C) 20
Answer: (C) 20
Answer: (C) 20
=> 2x * 3x = 96
=> 6x2 = 96
=> x2 = 96/6
=> x2 = 16
=> x = 4
2x + 3x = 5x = 5 * 4 = 20
=> 2x * 3x = 96 => 6x2 = 96 => x2 = 96/6 => x2 = 16 => x = 4 2x + 3x = 5x = 5 * 4 = 20
=> 2x * 3x = 96 => 6x2 = 96 => x2 = 96/6 => x2 = 16 => x = 4 2x + 3x = 5x = 5 * 4 = 20
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Q3. Raj Ghat is the memorial of which person?
Q3. Raj Ghat is the memorial of which person?
(A) Indira Gandhi
(A) Indira Gandhi
(A) Indira Gandhi
(B) Rajiv Gandhi
(B) Rajiv Gandhi
(B) Rajiv Gandhi
(C) Mahatma Gandhi
(C) Mahatma Gandhi
(C) Mahatma Gandhi
(D) Jawaharlal Nehru
(D) Jawaharlal Nehru
(D) Jawaharlal Nehru
Answer: (C) Mahatma Gandhi
Answer: (C) Mahatma Gandhi
Answer: (C) Mahatma Gandhi
Raj Ghat in Delhi, India is a memorial complex dedicated to Mahatma Gandhi. The memorial marks the spot where Gandhi was cremated on January 31, 1948, and features a black marble platform with an eternal flame at one end. Some say the memorial is a testament to Gandhi's ideals and principles, and others visit to pay their respects to the "Father of the Nation".
Raj Ghat also includes memorials to other leaders, such as Indira Gandhi, Rajiv Gandhi, and Charan Singh, as well as a large park with a picnic area.
Raj Ghat in Delhi, India is a memorial complex dedicated to Mahatma Gandhi. The memorial marks the spot where Gandhi was cremated on January 31, 1948, and features a black marble platform with an eternal flame at one end. Some say the memorial is a testament to Gandhi's ideals and principles, and others visit to pay their respects to the "Father of the Nation". Raj Ghat also includes memorials to other leaders, such as Indira Gandhi, Rajiv Gandhi, and Charan Singh, as well as a large park with a picnic area.
Raj Ghat in Delhi, India is a memorial complex dedicated to Mahatma Gandhi. The memorial marks the spot where Gandhi was cremated on January 31, 1948, and features a black marble platform with an eternal flame at one end. Some say the memorial is a testament to Gandhi's ideals and principles, and others visit to pay their respects to the "Father of the Nation". Raj Ghat also includes memorials to other leaders, such as Indira Gandhi, Rajiv Gandhi, and Charan Singh, as well as a large park with a picnic area.
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Q4. Two numbers are in the ratio 2 : 3 and the product of their HCF and LCM is 96. The sum of the two numbers is
Q4. Two numbers are in the ratio 2 : 3 and the product of their HCF and LCM is 96. The sum of the two numbers is
(A) 18
(A) 18
(A) 18
(B) 20
(B) 20
(B) 20
(C) 22
(C) 22
(C) 22
(D) 24
(D) 24
(D) 24
Answer: (B) 20
Answer: (B) 20
Answer: (B) 20
2:3 = 8:12
N1*N2 = HCF*LCM
8*12 = 96
N1+N2 = 8+12 = 20
2:3 = 8:12 N1*N2 = HCF*LCM 8*12 = 96 N1+N2 = 8+12 = 20
2:3 = 8:12 N1*N2 = HCF*LCM 8*12 = 96 N1+N2 = 8+12 = 20
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Q5. Choose the correctly spelt word.
Q5. Choose the correctly spelt word.
(A) parellel
(A) parellel
(A) parellel
(B) parrallel
(B) parrallel
(B) parrallel
(C) perallel
(C) perallel
(C) perallel
(D) parallel
(D) parallel
(D) parallel
Answer: (D) parallel
Answer: (D) parallel
Answer: (D) parallel
The correctly spelt word is - parallel.
Parallel describes lines that are always the same distance apart and never intersect, no matter how far they are extended.
The correctly spelt word is - parallel. Parallel describes lines that are always the same distance apart and never intersect, no matter how far they are extended.
The correctly spelt word is - parallel. Parallel describes lines that are always the same distance apart and never intersect, no matter how far they are extended.
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Q6. The foundation day of Gauhati University is celebrated on?
Q6. The foundation day of Gauhati University is celebrated on?
(A) 15th August
(A) 15th August
(A) 15th August
(B) 21st September
(B) 21st September
(B) 21st September
(C) 26th January
(C) 26th January
(C) 26th January
(D) 30th May
(D) 30th May
(D) 30th May
Answer: (C) 26th January
Answer: (C) 26th January
Answer: (C) 26th January
The foundation day of Gauhati University is celebrated on January 26th. This is because the first court meeting of the university was held on January 26, 1948 at the old Sudmerson Hall of Cotton College, Guwahati.
The foundation day of Gauhati University is celebrated on January 26th. This is because the first court meeting of the university was held on January 26, 1948 at the old Sudmerson Hall of Cotton College, Guwahati.
The foundation day of Gauhati University is celebrated on January 26th. This is because the first court meeting of the university was held on January 26, 1948 at the old Sudmerson Hall of Cotton College, Guwahati.
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Q7. Which of the following is the oldest oil Field in India?
Q7. Which of the following is the oldest oil Field in India?
(A) Naharkatia
(A) Naharkatia
(A) Naharkatia
(B) Lakoa
(B) Lakoa
(B) Lakoa
(C) Moran
(C) Moran
(C) Moran
(D) Digboi
(D) Digboi
(D) Digboi
Answer: (D) Digboi
Answer: (D) Digboi
Answer: (D) Digboi
The oldest oil field in India is Digboi, Assam. The first well at Digboi was dug in September 1889 and completed in November 1890. The Digboi Refinery was commissioned in 1901 and is one of the oldest operating refineries in the world. As of 2003, the Digboi refinery had a capacity of about 0.65 million tonnes per year.
The oldest oil field in India is Digboi, Assam. The first well at Digboi was dug in September 1889 and completed in November 1890. The Digboi Refinery was commissioned in 1901 and is one of the oldest operating refineries in the world. As of 2003, the Digboi refinery had a capacity of about 0.65 million tonnes per year.
The oldest oil field in India is Digboi, Assam. The first well at Digboi was dug in September 1889 and completed in November 1890. The Digboi Refinery was commissioned in 1901 and is one of the oldest operating refineries in the world. As of 2003, the Digboi refinery had a capacity of about 0.65 million tonnes per year.
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Q8. Consider the four numbers given numbers. If the digits of each number are arranged in ascending order, which new number would be the smallest?
Q8. Consider the four numbers given numbers. If the digits of each number are arranged in ascending order, which new number would be the smallest?
I. 376
II. 629
III. 921
IV. 397
I. 376 II. 629 III. 921 IV. 397
I. 376 II. 629 III. 921 IV. 397
(A) III
(A) III
(A) III
(B) II
(B) II
(B) II
(C) I
(C) I
(C) I
(D) IV
(D) IV
(D) IV
Answer: (A) III
Answer: (A) III
Answer: (A) III
376 -> 367
629 -> 269
921 -> 129 *
397 -> 379
376 -> 367 629 -> 269 921 -> 129 * 397 -> 379
376 -> 367 629 -> 269 921 -> 129 * 397 -> 379
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Q9. The Moamoria Rebellion is also known as
Q9. The Moamoria Rebellion is also known as
(A) Dondua Droh
(A) Dondua Droh
(A) Dondua Droh
(B) Chekoni Kubua Ron
(B) Chekoni Kubua Ron
(B) Chekoni Kubua Ron
(C) Lota Kota Ron
(C) Lota Kota Ron
(C) Lota Kota Ron
(D) Rongpur Ron
(D) Rongpur Ron
(D) Rongpur Ron
Answer: (B) Chekoni Kubua Ron
Answer: (B) Chekoni Kubua Ron
Answer: (B) Chekoni Kubua Ron
Chekoni Kubua Ron
Chekoni Kubua Ron
Chekoni Kubua Ron
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Q10. Who established the 'Shil Kalika Opera Party'?
Q10. Who established the 'Shil Kalika Opera Party'?
(A) Achyut Lahkar
(A) Achyut Lahkar
(A) Achyut Lahkar
(B) Braja Sharma
(B) Braja Sharma
(B) Braja Sharma
(C) Phani Sharma
(C) Phani Sharma
(C) Phani Sharma
(D) Ratan Lahkar
(D) Ratan Lahkar
(D) Ratan Lahkar
Answer: (B) Braja Sharma
Answer: (B) Braja Sharma
Answer: (B) Braja Sharma
Brajanath Sharma, a prominent figure in Assamese theatre, founded the 'Shil Kalika Opera Party' in 1921. This marked an important early development in the evolution of mobile theatre in Assam. Sharma is recognized for his pioneering work in bringing theatre to wider audiences, particularly in rural areas, and the 'Shil Kalika Opera Party' was a key part of his contribution.
Brajanath Sharma, a prominent figure in Assamese theatre, founded the 'Shil Kalika Opera Party' in 1921. This marked an important early development in the evolution of mobile theatre in Assam. Sharma is recognized for his pioneering work in bringing theatre to wider audiences, particularly in rural areas, and the 'Shil Kalika Opera Party' was a key part of his contribution.
Brajanath Sharma, a prominent figure in Assamese theatre, founded the 'Shil Kalika Opera Party' in 1921. This marked an important early development in the evolution of mobile theatre in Assam. Sharma is recognized for his pioneering work in bringing theatre to wider audiences, particularly in rural areas, and the 'Shil Kalika Opera Party' was a key part of his contribution.
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