Ghatna chakra General Science Physics Purvalokan

7th Part of General Studies Preview (English version of  Pruvalokan) Ghatana Chakra

Note:Best book for previous year question collection in Objective Form with Solution and Explanation 

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Central and State Civil Services Examinations 186 General Studies Question Papers

Question Paper Analysis
186 optional question papers of General Studies of IAS / PCS Pre and UPPCS Mains exams are covered in
this release. Detailed list of 186 question papers are as follows:
IAS Pre exam   2011 -2016               100×6                600
IAS Pre exam 1993-2010 150 x 18              2700
UP PCS Pre exam              1998-2016           150×20 3000
UP PCS Pre exam              1990-1997           120×8   960
UP PCS Mains exam         2002-2003           150×2    300
UP PCS Mains exam (including special exams)        2004-2016           150×30 4500
UP PSCGIC exam 2010     150×2    300
UP (UDA/LDA) Pre exam                2001-2006           150×3    450
UP (UDA/LDA) Pre exam (General and Special exam) 2010-2014     140×5   700
UP (UDA/LDA) Mains exam (General and Special exam) 2010-2014               120×4   480
UP Lower Subordinate Pre exam (General and Special exam) 1998-2009      100 x 11               1100
UP Lower Subordinate Pre exam (General and Special exam) 2013-2015      150×2    300
UP Lower Subordinate Mains exam (General and Special exam) 2013 & 2015            120×2   240
UPPCS (RI) Pre Exam 100 x 1         100
Uttarakhand PCS Pre exam 2002-2012      150×6    900
Uttarakhand (UDA/LDA) Pre exam 2007   150 x 1 150
Uttarakhand PCS Mains exam      2002 & 2006       150×2    300
Uttarakhand (UDA/LDA) Mains exam        2007      100 x 1  100
Uttarakhand Lower Subordinate Pre exam              2010     150 x 1  150
Madhya Pradesh PCS Pre exam 1990-2006              75 x 15 1125
Madhya Pradesh PCS Pre exam    2010 150×2         300
Madhya Pradesh PCS Pre exam    2012-2016           100×5    500
Chhattisgarh PCS Pre exam 2003-2005      75 x 2    150
Chhattisgarh PCS Pre exam 2008 & 2013 -2015      100×4   400
Chhattisgarh PCS Pre exam 2011 150 x 1                150
Rajasthan PCS Pre exam 1992 120 x 1       120
Rajasthan PCS Pre exam 1993-2012 100 x 11          1100
Rajasthan PCS Pre exam 2013 & 2015 150×3          450
Bihar PCS Pre exam 1992-2015 150 x 13                  1950
Jharkhand PCS Pre exam 2003-2011 100×2             200
Jharkhand PCS Pre exam 2013 100×2         200
Total 186                                                          23975
Topics Covered in this Part

Physics
Measurement/Unit
2. Measuring instruments
and Scales
3. Mechanics
4. Motion under Gravity
5. Physical properties of
materials
6. Light
7. Thermodynamics
8. Wave motion
9. Sound
10. Electric current
11. Conductivity
12. Nuclear Physics
Technology
14. Space
15. Defense  
16. Scientist/Invention
Before Downloading general science ghatnachakra
 At-least try these Objective Questions of Physics from Previous year Mentioned in each question
1. The unit of power is –
(a) Hertz
(c) Watt
 (b) Volts
(d) Neutron
U.P.P.S.C. (GIC) 2010
2. The unit of work is:
(a) Joule
(c) Watt
 (b) Neutron
(d) Dyne
U.P.P.C.S. (Pre) 1996
7. Light year is the unit of-
(a) Energy (b) Intensity
(c) Age (d) Distance
Jharkhand P.C.S. (Pre) 2013
15. Ampere is the unit of-
(a) Voltage
 (b) Electric current
(c) Resistance
 (d) Power
Chhattisgarh P.C.S. (Pre) 2005
21. Which one of the following is not correctly matched ?
(a) Knot – Measure of speed of ship
(b) Nautical mile – Unit of distance used in navigation
(c) Angstrom – Unit of wavelength of light
(d) Light year – Unit of measuring time
U.P.P.C.S. (Mains) 2010
24. ’Joule’ is related to energy in the same way as ’Pascal’ is
related to:
(a) Mass (b) Pressure
(c) Density (d) Purity
(e) None of the above
Chhattisgarh P.C.S. (Pre) 2015
31. Pascal is a unit of measuring:
(a) Humidity (b) Pressure
(c) Rainfall (d) Temperature
Uttarakhand P.C.S. (Pre) 2002
37. What is measured in cusecs ?
(a) Purity of water (b) Depth of water
(c) Flow of water (d) Quantity of water
Uttarakhand P.C.S. (Pre) 2006
 MeasuringDevices and Scales
6. The velocity of wind is measured by:
(a) Barometer (b) Anemometer
(c) Hydrometer (d) Wind Vane
U.P.P.C.S. (Pre) 2016
6. The velocity of wind is measured by:
(a) Barometer (b) Anemometer
(c) Hydrometer (d) Wind Vane
U.P.P.C.S. (Pre) 2016
8. Pyrometer is used to measure –
(a) Air pressure (b) Humidity
(c) High temperature (d) Density
Chhattisgarh P.C.S. (Pre) 2011
U.P.P.C.S. (Mains) 2008
Uttarakhand P.C.S. (Pre) 2006
U.P.P.C.S. (Spl) (Mains) 2004
U.P.P.C.S. (Pre) 1998
13. What is measured by manometer?
(a) Air pressure
(b) Pressure of gas
(c) Density of liquids
(d) Pressure of oil on the surface
U.P.P.C.S. (Pre) 1990
20. Relative humidity is measured by:
(a) Hydrometer (b) Hygrometer
(c) Lactometer (d) Potentiometer
U.P.P.C.S. (Pre) 1996
17. The liquid/liquids used in the simple barometer is / are:
(a) Water (b) Mercury
(c) Alcohol (d) All of the above
M.P.P.C.S. (Pre) 2016
23. Hygrometer is used to measure –
(a) Humidity in atmosphere
(b) Atmospheric pressure
(c) High temperature
(d) Velocity of wind
Uttarakhand Lower Sub. (Pre) 2011
28. Which one of the following can be used to measure
temperature above 1500°C ?
(a) Clinical thermometer
(b) Thermoelectric couple thermometer
(c) Platinum resistance thermometer
(d) Pyrometer
U.P. Lower Sub. (Pre) 2013
U.P. U.D.A./L.D.A. (Spl) (Pre) 2010
29. The apparatus used to measure the intensity of light is
known as –
(a) Anemometer
(c) Luxmeter
(b) Colorimeter
(d) Altimeter
U.P.P.C.S. (Spl) (Mains) 2004
 39. What does a ’seismograph’ record ?
(a) Heart-beats (b) Atmospheric pressure
(c) Earthquake (d) None of these
M.P.P.C.S. (Pre) 1995
Mechanics
13. In wind power, which form of energy is converted into
electrical energy?
(a) Kinetic energy (b) Potential energy
(c) Solar energy (d) Radiant energy
U.P. PCS (Pre) 2016
Motion Under Gravity
5. If an apple is released from an orbiting spaceship, it
will —
(a) Fall towards the Earth
(b) Move at a lower speed
(c) Move along with the spaceship at the same speed
(d) Move at a higher speed
U.P.P.C.S. (Pre) 2010
The mass of a body on the Earth is 100 kg (acceleration
due to gravity, ge = 10m/s2). If acceleration due to gravity
on the Moon is (ge = 106 m/sec2), then the mass of the
body on the Moon is:
(a) 100/6kg (b) 60kg
(c) 100 kg (d) 600 kg
I.A.S. (Pre) 2001
An artificial satellite orbiting around the Earth does not
fall down. This is so because the attraction of Earth –
(a) Does not exist at such distance
(b) Is neutralized by the attraction of the Moon
(c) Provides the necessary speed for its steady motion
(d) Provides the necessary acceleration for its motion
I.A.S. (Pre)2011
30. The time period of a pendulum –
(a) Depends on the mass
(b) Depends on its length
(c) Depends on time
(d) Depends on temperature
47th B.P.S.C. (Prc) 2005
Properties of Materials
5. The most important property’ of nanomaterials is –
(a) Force (b) Friction
(c) Pressure (d) Temperature
R.A.SjrR.T.S.(Pre) 2013
6. Oil spreads on water surface because –
(a) Oil is denser than water
(b) Oil is less dense than water
(c) Surface tension of oil is more than water
(d) Surface tension of oil is less than water
U.P.P.S.C. (GIC) 2010
U.P.P.C.S. (Pre) 1994
26. Increasing the amount of a substance does not change
its—
(a) Volume (b) Weight
(c) Mass (d) Density
U.P.P.C.S. (pre) 1992
31. Why does an iron nail float on mercury while it sinks in
water ?
(a) Due to less chemical interaction of iron with mercury
than it is with water
(b) Iron is heavier than water and lighter than mercury.
(c) Iron has greater density than water and lesser than
mercury.
(d) Mercury is heavier than water.
U.P.P.C.S. (Pre) 1994
33. An iron needle floats on the surface of water due to –
(a) Up thrust of water (b) Surface tension
(c) Viscosity (d) Gravitational force
U.P.P.C.S. (Mains) 2012
Light
4. Human eye is most sensitive to visible light of the
wavelength
(a) 6050 A (b) 5500 A
(c) 4500 A (d) 7500 A
 10. Velocity oflight is maximum in –
(a) Diamond (b) Water
(c) Vacuum (d) Hydrogen
U.P.P.S.C. (R.I.) 2014
6. Light appears to travel in a straight line because –
(a) It consists of small particles.
(b) The velocity oflight is very large.
(c) The wavelength oflight is very small.
(d) Light is reflected by the surroundings.
U.P.P.S.C. (R.I.)2014
13. Light from the Sun reaches Earth in about:
(a) 2 minutes (b) 4 minutes
(c) 8 minutes (d) 16 minutes
U.P.P.C.S. (Mains) 2006
20. Optical fiber works on the principle of:
(a) Total internal reflection (b) Refraction
(c) Scattering (d) Interference
U.P. U.D.A7L.D.A. (Pre) 2010
U.P.P.C.S.(Spl) (Pre) 2008
LA.S. (Pre) 1995
26. The reason of mirage is
(a) Interference of light
(b) Diffraction of light
(c) Polarization of light
(d) Total internal reflection of light J
U.P.P.C.S.(Pre) 2012
U.P.P.C.S. (Pre) 1995
29. The diamond appears lustrous because of:
(a) Reflection (b) Refraction
(c) Total Internal Reflection (d) Scattering
U.P.P.C.S. (Mains) 2012
U.P.P.C.S. (Pre) 1996
33. The technique to integrate and mark the image of a three Dimensional object is-
(a) Audiography (b) Lexicography
(c) Photography (d) Holography
R.A.S./R.T.S. (Pre) 1999
R.A.S./R.T.S. (Pre) 1996
36 Raman effect’ deals with the light rays passing through
(a) Only fluids
(b) Only prisms
(c) Only diamonds
(d) All transparent medium
R.A.S./R.T.S. (Pre) 1992
37. For reproducing sound, a CD (Compact Disc) audio player
uses a:
(a) Quartz crystal
(c) Laser beam
(b) Titanium needle
(d) Barium titanic ceramic
I.A.S. (Pre) 2000
41. Television signals cannot be received beyond a certain
distance because:
(a) Signals are weak
(b) Antenna is weak
(c) Air absorbs signals
(d) The surface of the earth is curved
47. The color of the star is an indication of its :
(a) Distance from the earth
(b) Temperature
(c) Luminosity
(d) Distance from the sun
U.P.P.C.S. (Mains) 2008
U.P.P.C.S. (Pre) 2005
U.P.P.C.S. (Mains) 2003
48. Diffusion of light in the atmosphere takes place due to:
(a) Carbon dioxide (b) Dust particles
(c) Helium (d) Water vapors
I.A.S. (Pre) 2003
59. Photosynthesis using the invisible part of the sunlight is
done by some-
(a) Trees (b) Algae
(c) Bacteria (d) Fungi
U.P.P.C.S.(Pre) 2013
63. Sky is blue because –
(a) Blue colour in the sunlight is more than other colours
(b) Short waves are scattered more than long waves by
atmosphere
(c) Blue colour is more absorbing to eyes
(d) Atmosphere absorbs long wavelength more than short
wavelength
Uttaranchal P.C.S. (Pre) 2005
U.P. Low er Sub. (Pre) 1998
39th B.P.S.C. (Pre) 1994
77. Which mirror is used as a rear view mirror in vehicles ?
(a) Plain (b) Convex
(c) Concave (d) Cylindrical
U.P.P.C.S (Pre) 2011
U.P.P.C.S. (Mains) 2010
78. For shaving, one uses –
(a) Concave mirror
(c) Convex mirror
(b) Plain mirror
(d) None of these
43rd B.P.S.C. (Pre) 1999
86. The correct order of colours in a rainbow is:
(a) Blue, green, violet (b) Violet, green, blue
(c) Blue, yellow, green (d) Blue, green, yellow
R.A.S./R.T.S.(Pre) 1999
93. An air bubble in w ater will act like a:
(a) Convex mirror (b) Convex lens
(c) Concave mirror (d) Concave lens
U.P. Low er Sub. (Pre) 2013
U.P. U.D.A./L.D.A. (Spl) (Pre) 2010
U.P.P.C.S.(Spl) (Pre) 2008
I.A.S. (Pre) 1995
105. The focusing in the eye is done by
(a) Change in the convexity of the lens
(b) To and fro movement of the lens
(c) To and fro movement of the retina
(d) Change in the refractive index of the eye fluid
U.P.P.S.C. (R.I.) 2014
101. A myopic eye can be corrected by using a
(a) Convex lens (b) Concave lens
(c) Cylindrical lens (d) Plane Convex lens
U.P.P.C.S. (Mains) 2008
U.P. Lower Sub. (Pre) 2002
117. Where is the image of an object formed in the human
eye?
(a) Cornea (b) Iris
(c) Pupil (d) Retina
M.P.P.C.S. (Pre) 2014
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