The stage finals of the Physics Quiz, Air Force Bal Bharati School Physics Fest 2013. QM - Ashhad Qasmi, Ashish Kumar

1. The Physics Quiz
Finals
AFBBS Physics Fest 2013

2. Round 1: Rapid Fire
• 6 questions per team
• 60 seconds per team
• +10 for right answer and -5 for incorrect
answer
• Questions can be passed and will be asked
later if any time is left with the team

3. A
• What is Candela the S.I. unit of?
• Which device is used to produce images
through acceleration of electrons in a vacuum
tube?
• Touchscreens involve what phenomenon?
• What do submarines use to locate objects
over the surface of the water?
• Who gave the plum pudding model of the
atom?

4. B
• 1. Which device is used to identify elements
by scanning the emission spectra?
• 2. Who is credited with the first commercially
successful use of radio waves?
• 3. What is India’s first satellite named?
• 4. The Manhattan Project gave birth to what?
• 5. On what does the loudness of sound
depend?

5. C
• 1. Name any Indian physics Nobel Prize
winner other than CV Raman.
• 2. Is it easier to float in seawater or potable
water?
• 3. Apart from gravity, what pulls the ink from
a pen into the paper?
• 4. Where in the universe is the gravitation
field so strong that even light cannot escape?
• 5. Differentiation of momentum with respect
to time is called

6. D
• 1. Name the device which is used to increase
the power of an electrical signal.
• 2. “A Brief History of Time” is written by
______________
• 3. Gauss’ Law can only find the flux in an
electric field; True or false?
• 4. What is the variable component which
carries the information in FM signal?
• 5. Which region of a flame is at the highest
temperature?

7. E
• 1. Who invented the electric generator?
• 2. What types of mirrors are used in
headlamps and rear-view mirrors of cars?
• 3. What is physics called in Hindi?
• 4. Does the boiling point become higher or
lower than normal inside a closed pressure
cooker?
• 5. Which physicist proved that locating and
measuring the momentum of an electron
simultaneously is impossible?

8. Initiation
• Passed and direct questions both worth 10
points
• Pounces to be indicated within 10 seconds
after the question has been fully read out
• Points on pounced questions: +15/-10
• Maximum of 3 pounces per team
• 10 points per question

9. 1
• If f(x) = work done by static friction. Range of
f(x) is?
Answer

10. 2
• R. Brout , F. Englert, ____________, G. S.
Guralnik , C. R. Hagen , and T. W. B. Kibble
Answer

11. 3
• Galileo demonstrated the Aristotelian law of
gravitation from which building?
Answer

12. 4
• A conducting shell is charged with charge q.
What is the volume charge density in a small
part dV inside it?
Answer

13. 5
• If the earth expands with the mass remaining
constant, what will be the effect on earth’s
angular velocity?
Answer

14. 6
• Water freezes at 0°C. Freezing point of milk is
___________ than water.
Answer

15. 7
• Connect: nebula, white dwarf, black hole,
supernova, red giant
Answer

16. 8
• X, Y and Z are shouting with same amplitude
but frequency 3000hz, 4000hz, 5000hz
respectively. Who among them is loudest?
Answer

17. 9
• In India which organization was the first one
to use optical fibre?
Answer

18. 10
• What will be the angle of reflection if the
angle of incidence of a ray on a plane mirror is
equal to the critical angle of the first medium?
Answer

19. 13
• _________, from Russian "тороидальная
камера с аксиальным магнитным полем"
(toroidal'naya kamera s aksial'nym
magnitnym polem) - toroidal chamber with
axial magnetic field, this device is used to
contain plasma in a fusion reactor
Answer

20. What Am I?
• Teams will be required to identify common
devices
• No pouncing, no passing
• 10 points per question

21. 1
Answer

22. 2
Answer

23. 3
Answer

24. 4
Answer

25. 5
Answer

26. 6
Identify the popular device.
Answer

27. 7 Answer

28. 8
• This famous DJ uses
the name that is a
combination of 2
weapons of mass
destruction. Identify
the 2 weapons.
Answer

29. 9
The world's most famous telescope, named after
the scientist who proved that the universe is
expanding. Answer

30. 10
Identify this, using which we can get
broadband speeds in multiples of
gigabyte/second in our homes.
Answer

31. Comeback Round
• Questions to be asked and passed in
increasing order of total points of a team
• No pouncing
• 10 points per question

32. 1
• 50 kg ice is melting at temperature 80°C.
When only 5 kg block is left what is the
temperature of the remaining ice block and
water accumulated. Melting point of
water=0°C and dielectric constant is 80.
Answer

33. 2
• What materials are essential in all electronic
equipment, without whom using digital logic
is impossible?
Answer

34. 3
• Who is the first person to state independence
of horizontal and vertical components of
projectile motion?
Answer

35. 4
• In this allotrope, carbon atoms are arranged in
a regular hexagonal pattern and it is already
being touted as one of greatest materials after
Silicon with potential applications ranging
from nanotechnology to memory to ultra
strong fibres among many more. Which
allotrope are we talking about?
Answer

36. 5
• A fly and a train moving towards each other in
a linear path of mass 10 g and 104 kg and with
speeds 1 m/s and 85 m/s respectively collide
elastically. At the moment of collision, what
applies more force on the other?
Answer

37. 6
• Image of a red object(that emits and reflects
only monochromatic light) placed in
monochromatic blue light when obtained on a
green screen will show the object in ________
colour.
Answer

38. 7
• Left-Right: Tesla, Edison
• What is the connect with hard rock, blues
rock, rock and roll?
Answer

39. 8
• Dubbed "The Wizard of Menlo Park", he is
often credited with the creation of the first
industrial research laboratory. By what name
do we know him?
Answer

40. 9
• 18th-century natural philosopher and
poet Erasmus Darwin, was said to have
animated dead matter by electric shocks using
voltaic piles, which to another poet and
author was the source of a very famous
character. What character?
Answer

41. 10
• What ideally needs to have a higher tensile
strength - a submarine or a spacecraft?
Answer

42. Grab It! Round
• Answers to be written on a sheet of paper.
• Differential scoring:
• Score for each question = 10-2(n-1) where n is
the number of teams that answer that
question

43. 1
• What’s common between milk cream, moon
and an electron?
Answer

44. 2
• “Give me a fulcrum, and I shall move the
world.” Name the speaker.
Answer

45. 3
• The minimum mass for a star for it to be able
to convert into a black hole is named after an
Indian physicist who found a very accurate
value for it at the age of only 19. It is known as
_________________ limit.
Answer

46. 4
• The application of phenomenon of transfer of
electrons is now very common as it is being
technically exploited for human interaction
with electronic devices. Name the exact
component common to these devices.
Answer

47. 5
• What shape does a flame take inside the
International Space Station?
Answer

48. 6
• Can a volcanic eruption cool the atmosphere.
If yes, how?
Answer

49. 7
• What is filled inside the cylindrical shell of a
thermos flask?
Answer

50. 8
• What is the focal length of plane mirror?
Answer

51. 9
• A sphygmomanometer measures
________________.
Answer

52. 10
• X is a device that uses an electronic transition
frequency in the microwave, optical, or
ultraviolet region of the electromagnetic
spectrum of atoms as a frequency standard for
its timekeeping element. X is the most accurate
timekeeper, and is used as primary standards
for international time distribution services, to
control the wave frequency of television
broadcasts, and in global navigation satellite
systems such as GPS.
Answer

53. • Blank slide

54. • Blank slide

55. • Blank slide

56. Pass+pounce

57. 1
• (-∞,0]
Back

58. 2
• Peter Higgs
Back

59. 3
• The Leaning Tower of Pisa
Back

60. 4
• Zero
Back

61. 5
• Angular velocity will decrease
Back

62. 6
• higher
Back

63. 7
• Life stages of a star
Back

64. 8
• All have same loudness
Back

65. 9
• Indian Air Force
Back

66. 10
• Angle of reflection = Critical angle
Back

67. 13
• Tokamak
Back

68. whatami

69. 1
• Voltaic Piles i.e. Battery
Back

70. 2
• Transformer
Back

71. 3
• Vibrator
Back

72. 4
• Speaker
Back

73. 5
• Fuse
Back

74. 6
• Light Emitting Diode
Back

75. 7
• Van de Graffe generator
Back

76. 8
• Fat Boy and Little Man
Back

77. 9
• Hubble space telescope
Back

78. 10
• Optical fibre
Back

79. comeback

80. 1
• 0° C
Back

81. 2
• Semiconductors
Back

82. 20
• Galileo Galilei
Back

83. 4
• Graphene
Back

84. 5
• Both apply same force
Back

85. 6
• Black
Back

86. 7
• AC and DC
Back

87. 8
• Thomas Edison
Back

88. 9
• Frankenstein
Back

89. 10
• Spacecraft
Back

90. Grab it

91. 1
• Centrifugal force
Back

92. 2
• Archimedes
Back

93. 3
• Chandrasekhar Limit
Back

94. 4
• Touchscreen
Back

95. 5
• Spherical
Back

96. 6
• Volcanic eruption can cool the atmosphere by
blocking solar radiation with the ash erupted
into the atmosphere
Back

97. 7
• Nothing- Vacuum
Back

98. 8
• −∞
Back

99. 9
• Blood pressure
Back

100. 10
• Atomic clock
Back

101. 12
• What is the best electric conductor?