MCQ
‘Parsec’ is the unit of:
  • A
    Time.
  • B
    Distance.
  • C
    Frequency.
  • D
    Angular acceleration.

Answer

  1. Distance.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

It is desired to increase the fundamental resonance frequency in a tube which is closed at one end. This can be achieved by
In a system two particles of masses $m_1=3 \mathrm{~kg}$ and $\mathrm{m}_2=2 \mathrm{~kg}$ are placed at certain distance from each other. The particle of mass $m_1$ is moved towards the center of mass of the system through a distance $2 \mathrm{~cm}$. In order to keep the center of mass of the system at the original position, the particle of mass $\mathrm{m}_2$ should move towards the center of mass by the distance_______.$\mathrm{cm}$.
In an experiment the angles are required to be measured using an instrument, $29$ divisions of the main scale exactly coincide with the $30$ divisions of the vernier scale. If the smallest division of the main scale is half- a degree $(= 0.5^o  )$, then the least count of the instrument is
That gas cannot be liquified
According to Kepler's third law, square of period of rotation of a planet is:
For angles of projection of a projectile at angle $(45^o  +\theta)$ and $(45^o  -\theta ) $ , the horizontal range described by the projectile are in the ratio of 
The number of significant figures in 61,00,000 is:
Two cylinders $A$ and $B$ of equal capacity are connected to each other via a stop cock. A contains an Ideal gas at standard temperature and pressure. $B$ is completely evacuated. The entire system is thermally insulated. The stop cock is suddenly opened. The process is :
If a unit vector is represented by $0.5\hat i + 0.8\hat j + c\hat k$, then the value of ‘$c$’ is
A body falling on the ground from $a$ height of $10\, m$, rebounds to a height $2.5\, m,$ then the ratio of the velocities of the body just before and after the collision will be