Q. Name the scientist who first used a glass prism to obtain the spectrum of sunlight -
1) C.V. Raman
2) Lord Rayleigh
3) Isaac Newton
4) S. Chandrasekhar
Q. Light enters the eye through a thin membrane called -
1) Retina
2) Cornea
3) Pupil
4) Iris
Q. A lemon kept in water in a glass tumbler appears to be larger than its actual size. It is because of -
1) Reflection of light
2) Scattering of light
3) Refraction of light
4) Polarisation of light
Q. The correct relation between the radius of curvature R and focal length f of a spherical mirror is -
1) R = f
2) R = 2f
3) R = 3f
4) R = 4f
Q. In which of the following years were passenger trains introduced in England?
1) 1823
2) 1825
3) 1848
4) 1861
Q. Which one among the following American newsmagazines was highly skeptical of Gandhiji’s Dandi March initially but within a week completely changed its opinion and saluted him as a Saint and Statesman?
1) Saturday Evening Post
2) Readers Digest
3) Time
4) Life
Q. Who was the Viceroy of India at the time of Gandhiji’s Dandi March?
1) Lord Irwin
2) Lord Linlithgow
3) Lord Reading
4) Lord Willingdon
Q. Where did Gandhiji initially forge the techniques of Satyagraha?
1) England
2) South Africa
3) North Africa
4) India
Q. The speakers of major Indian languages belong to how many language families?
1) Two
2) Three
3) Four
4) Six
Q. According to the Census of India, 2011, which one among the following is the least populated state in India?
1) Maharashtra
2) Madhya Pradesh
3) Odisha
4) Punjab
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