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WorksheetsIAAC Pre-Final Papers
Total questions: 22
Worksheet time: 22mins
How much time universe was filled with neutral hydrogen?
500 million years
200 million years
700 million years
100 million years
Reionization process is expected to be -
homogeneous
uniform
inhomogeneous
homologous
How 'Redshift' is annotated?
z
j
i
r
IGM stands for
Intergalactic medium
Intergalactic mass
Intergalactic maser
Intergalactic Molecules
What is DAWN?
Deep And Wide Near-infrared survey
Deep And Wide Narrowband survey
Dynamics And Wide Network survey
Dynamics And Wobbling Neutron star survey
What is EGS?
Extended Gravitational Survey
Extended Geo Satelite
Extended Groth Strip
Extended Gravitfied Stars
How Important is Signal-To-Noise Ratio (SNR)?
More SNR is bad for data
More SNR More Precision
SNR needs to be removed
Redshift can be measured from SNR
MOSFIRE is part of -
Keck I Telescope
Keck II Telescope
Kenarry Telescope
Kilian Telescope
The redshift of the galaxies z8_4 and z8_5 is -
7.2
7.3
7.5
7.7
Which galaxies are very young?
Lyman Galaxy
Lyman-Alpha Galaxy
Lyman-Bammer Galaxy
Lyman-Gamma Galaxy
What are protostars?
prior stage of a black hole
prior stage of a main-sequence star
result of supernova
result of collision of two massive stars
Why protostar jets are ionised?
radio emission of the protostar
the accretion disk of a protostar
angular momentum during the collapse of the protostar
ionisation factor of the protostar
Lower mass protostars are limited to -
5 solar mass
10 solar mass
15 solar mass
20 solar mass
G35.2N Star-forming region is located in which constellation?
Aquarius
Aquilla
Cassiopeia
Virgo
G35.2N mainly forms ___ stars and has ___ cores.
O-type ; two
B-type : one
B-type ; two
M-type : two
Inclination angle refers to the angle between -
a star and its planet's orbit
the reference plane and orbital plane
the orbital axis and direction of the orbit
celestial equator and zenith
ISAAC refers to -
Infrared Spectrometer And Arial Camera
Infrared Spectrometer And Array Camera
Infrared Survey with Angular Area Camera
Invisible Signal of the Axial Array Camera
Which telescope data Protostar Jet paper authors did not consider?
EHT
VLT
VLA
ALMA
Br γ line refers to -
Bracket gamma Line of Fe II
Blue shifted shocked material
Hydrogen spectrum of ionised jet
all of the above
A typical jet phase timescale in High Mass Young Stellar Object (HMYSO) is -
2x104 years
1x102 years
2x102 years
1x104 years
ISAAC is on which telescope?
VLA
EHT
ELT
VLT
The solar abundance of which ionised spectrum is 2.8x10-5?
Iron II
Hydrogen
Helium
Iron III
