βDark starsβ, recently observed using the James Webb Space Telescope, are hypothesised to be powered by:
Anonymous Quiz
13%
(a) Nuclear fusion
59%
(b) Dark matter annihilation
22%
(c) Hawking radiation
6%
(d) Accretion disks
π€―1
WIMPs (Weakly Interacting Massive Particles) are important in cosmology because they:
Anonymous Quiz
26%
(a) Emit strong gamma radiation continuously
12%
(b) Are candidates for ordinary baryonic matter
44%
(c) Interact weakly with normal matter and light
18%
(d) Are composed of quarks and gluons
The detection of dark matter through indirect methods primarily relies on observing:
Anonymous Quiz
33%
(a) Cosmic microwave background radiation
48%
(b) Gamma rays produced by annihilation of dark matter particles
8%
(c) X-rays emitted by neutron stars
13%
(d) Infrared radiation from galaxy cores
Questions are from today's newspaper
Consider the following processors and their associated institutions:
1. SHAKTI β IIT Madras 2. AJIT β IIT Bombay 3. VIKRAM β ISRO-SCL 4. THEJAS64 β DRDO Which of the pairs given above are correctly matched?
1. SHAKTI β IIT Madras 2. AJIT β IIT Bombay 3. VIKRAM β ISRO-SCL 4. THEJAS64 β DRDO Which of the pairs given above are correctly matched?
Anonymous Quiz
8%
(a) 1 and 2 only
38%
(b) 1, 2 and 3 only
28%
(c) 2, 3 and 4 only
28%
(d) 1, 2, 3 and 4
Conventional atomic clocks, such as cesium clocks, primarily work on the principle of:
Anonymous Quiz
13%
(a) Nuclear fission reactions
50%
(b) Electron transition between energy levels
22%
(c) Beta decay of isotopes
15%
(d) Oscillation of crystal lattices
The primary advantage of using thorium-229 in precision timekeeping is that:
Anonymous Quiz
16%
(a) It has the highest atomic number among stable elements
25%
(b) Its nucleus has an unusually low-energy excited state
45%
(c) It undergoes natural radioactive decay at a predictable rate
14%
(d) It is abundantly available in nature
Forwarded from ΰ€
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Which of the pairs given above is/are correctly matched?
Anonymous Quiz
55%
A. 1 and 2 only
20%
B. 2 only
10%
C. 1 and 3 only
14%
D. 1, 2 and 3
Forwarded from Abhi Physics | UPSC Physics
Another job opening for an organisation within MoD.
Decent salary and far better growth opportunity.
Strict requirement:
1. B.tech in any discipline
2. Must have written the Main Exam of UPSC or any STATE PSC.
Decent salary and far better growth opportunity.
Strict requirement:
1. B.tech in any discipline
2. Must have written the Main Exam of UPSC or any STATE PSC.
β€1
Forwarded from Abhi Physics | UPSC Physics
Long time gap. Managing my own life and studies.
A small suggestion.
Just solve PYQ and do it's thematic study. This will make you clear prelims super easy.
A small suggestion.
Just solve PYQ and do it's thematic study. This will make you clear prelims super easy.
β€1