What is the observation of multiple colours in thin films of
oil floating on the surface of water due to ?
(a) Selective absorption of light
(b) Dispersion of light
(c) Diffraction of light
(d) Interference of light
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How many major organs does the U.N. have? (a) Six (b) Four (c) Five (d) Seven
The father of Russian Revolution is: (a) Nikita Khurschev (b) Stalin (c) V I Lenin (d) L I Brezhnev
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11 Answers CDS, RPF, SI, UPSC,
. One mole of hydrogen gas burns in excess of oxygen to give 290 kJ of heat. What is the amount of heat produced when 4 g of hydrogen gas is burnt under the same conditions? (a) 145 kJ (b) 290 kJ (c) 580 kJ (d) 1160 kJ
The Government of India is seriously thinking to repeal which of the following acts? (1) FERA (2) FEMA (3) Rent Control Act (4) POTA (5) None of these