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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'PHYSICS' And exam conducted in the year 2015. And Question paper code was '075/2015'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
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Select the pair whose dimensions are same
(8) Pressure and stress (b) Pressure and force
(¢} Strain and stress (d) Power and force
A tuning fork makes 256 vibrations per second in air. When the velocity of sound is 330m/s,
then wavelength of the tone emitted is
(घ) 0.86/1 ⋅ (0) பமல
(லி 0.89 (0) 1.29m
1t is possible to distinguish between the transverse and longitudinal waves by studying the
property of
(யி Interference (b) Reflection
) Diffraction (6) Polarization
Natural radioactivity was discovered by
[8 Marie Curie (ध) Ernest Rutherford
(2) Henri Beequerel (१) Enrico Fermi
Solar eclipse will take place when
(வி The sun is between the moon and the earth
യു The earth is between the meon and the sun
)0 The moon is between the sun and the earth
(ദ) The moon does not lie on the line joining the sun and the carth
On a stationary sail boat, air is blown from a fan attached to the boat. The boat
(a) Moves in opposite direction in which the air is blown
(b) 06068 00 move
(८) Moves in the same direction in which air blows
(d) Spins around
Supersonic plane fly with the speed
(त) Less than the speed of sound (b) பயம்
(9 Greater than the speed of sound () Of light
(30 x 4 = 120)
3 75/2018
९.7.90.