126: The speed of light will be minimum while passing through
(a) glass
(b) vacuum
(c) water
(d) air
127: Consider the following statements:
1. A widely used musical scale called diatonic scale has seven frequencies.
2. The frequency of the note Sa- (lk) is 256 Hz and that of Ni- (uh) is 512 Hz.
Which of the statements given above is/are correct ?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
128: The water in an open pond remains cool even in hot summer because:
(a) Of continuous evaporation of water
(b) Water radiates heat more rapidly than the atmosphere
(c) Water absorbs heat less rapidly than the atmosphere
(d) Water absorbs heat more rapidly than the atmosphere
129: For the Karachi session of Indian National Congress in 1931 presided over by Sardar Patel, who drafted the Resolution on Fundamental Rights and Economic Programme ?
(a) Mahatma Gandhi
(b) Dr. Rajendra Prasad
(c) Pandit Jawaharlal Nehru
(d) Dr. B. R. Ambedkar
130: Economic Survey in India is published officially, every year by the
(a) Reserve Bank of India
(b) Planning Commission of India
(c) Ministry of Finance, Government of India
(d) Ministry of Industries, Government of India