A.Cosmic year
B.Astronomical year
C.Light year
D.Parsec
Related Mcqs:
- A light year is
- The unit of measuring distances betweenthe stars is known as:
- The milky way extends through a distance of:
- A Light year is the
- Electromagnetic radiation with wavelengths between 0.4 and 0.7 micrometers is called __________.
- Which of the following ray has least wavelength?
- The angle between the cord and the centre line of the tread is called
- A photochemical reaction is
- The centre of gravity of a plane lamina will not be at its geometrical centre if it is a
- In an aquatic ecosystem, the depth to which light penetrates is called __________?