The radio lobes that are on each side of some radio galaxies and jets from them produce mainly
a. 21-cm radiation.
b. synchrotron radiation.
c. black body radiation.
d. emission lies due to hydrogen.
e. absorption lines due to hydrogen.
b
Physics & Space Science
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There are daily variations in the barometric pressure, which occur because of tidal effects
Indicate whether the statement is true or false
Physics & Space Science
In projectile motion the velocity at the top of the trajectory is
A. zero B. non-zero, since the x component of the velocity has remained constant. C. larger than at any other time during the trajectory.
Physics & Space Science
The Sun is what spectral type?
a. S2 b. G2 c. F2 d. K2 e. ST2 (Spectral Type 2)
Physics & Space Science
Which of the above images best depicts a water solution of a weak acid (represented by HA)?
A) A B) B C) C D) All of the above are weak acids. E) None of the above are weak acids.
Physics & Space Science