The Physics QuizFinals

AFBBS Physics Fest 2013

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

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?

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?

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

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?

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?

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

1

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

Answer

2

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

Answer

3

• Galileo demonstrated the Aristotelian law of gravitation from which building?

Answer

4

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

Answer

5

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

Answer

6

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

Answer

7

• Connect: nebula, white dwarf, black hole, supernova, red giant

Answer

8

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

Answer

9

• In India which organization was the first one to use optical fibre?

Answer

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

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

What Am I?

• Teams will be required to identify common devices

• No pouncing, no passing

• 10 points per question

1

Answer

2

Answer

3

Answer

4

Answer

5

Answer

6

Identify the popular device.

Answer

7 Answer

8• This famous DJ uses

the name that is a combination of 2 weapons of mass destruction. Identify the 2 weapons.

Answer

9

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

Answer

10

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

Answer

Comeback Round

• Questions to be asked and passed in increasing order of total points of a team

• No pouncing

• 10 points per question

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

2

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

Answer

3

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

Answer

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

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

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

7

• Left-Right: Tesla, Edison

• What is the connect with hard rock, blues rock, rock and roll?

Answer

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

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

10

• What ideally needs to have a higher tensile strength - a submarine or a spacecraft?

Answer

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

1

• What’s common between milk cream, moon and an electron?

Answer

2

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

Answer

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

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

5

• What shape does a flame take inside the International Space Station?

Answer

6

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

Answer

7

• What is filled inside the cylindrical shell of a thermos flask?

Answer

8

• What is the focal length of plane mirror?

Answer

9

• A sphygmomanometer measures ________________.

Answer

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

• Blank slide

• Blank slide

• Blank slide

Pass+pounce

1

• (-∞,0]

Back

2

• Peter Higgs

Back

3• The Leaning Tower of Pisa

Back

4

• Zero

Back

5

• Angular velocity will decrease

Back

6

• higher

Back

7

• Life stages of a star

Back

8

• All have same loudness

Back

9

• Indian Air Force

Back

10

• Angle of reflection = Critical angle

Back

13

• Tokamak

Back

whatami

1

• Voltaic Piles i.e. Battery

Back

2

• Transformer

Back

3

• Vibrator

Back

4

• Speaker

Back

5

• Fuse

Back

6

• Light Emitting Diode

Back

7

• Van de Graffe generator

Back

8

• Fat Boy and Little Man

Back

9

• Hubble space telescope

Back

10

• Optical fibre

Back

comeback

1

• 0° C

Back

2

• Semiconductors

Back

20

• Galileo Galilei

Back

4

• Graphene

Back

5

• Both apply same force

Back

6

• Black

Back

7

• AC and DC

Back

8

• Thomas Edison

Back

9

• Frankenstein

Back

10

• Spacecraft

Back

Grab it

1

• Centrifugal force

Back

2

• Archimedes

Back

3

• Chandrasekhar Limit

Back

4

• Touchscreen

Back

5

• Spherical

Back

6

• Volcanic eruption can cool the atmosphere by blocking solar radiation with the ash erupted into the atmosphere

Back

7

• Nothing- Vacuum

Back

8

• −∞

Back

9

• Blood pressure

Back

10

• Atomic clock

Back

12

• What is the best electric conductor?