Light year is [SSC CGL] – McqOptions

MCQOPTIONS

1.	Light year is [SSC CGL]
A.	light emitted by the sun in one year
B.	time taken by light to travel from sun to earth
C.	the distance travelled by light in free space in one year
D.	time taken by earth to go once around the sun
Answer» D. time taken by earth to go once around the sun

Discussion

No Comment Found

Related MCQs

Why is sound heard with more intensity through \[C{{O}_{2}}\] than through the air? [NDA]
Which one of the following properties distinguishes ultrasound from normal audible sound? [NDA]
Assertion [A]: In a pressure cooker food is cooked above boiling point.Reason [R]: Boiling point of water increases as the pressure increases. [CDS]
The sound from an open pipe is more pleasant than the sound from a closed pipe. This is because:
Which one of the following is the mode of heat transfer in which warm material is transported so as to displace a cooler material? [NDA]
Which one among the following statements about thermal conductivity is correct? [NDA]
Cloudy nights are warmer compared to clear cloudless nights, because clouds: [IAS Prelim]
Mr X was advised by an architect to make outer walls of his house with hollow bricks. The correct reason is that such walls [CDS]
Why are inner lining of hot water geysers made up of copper? [CDS]
The simple harmonic motion of a particle is given by y = 3 sin \[\omega \,t\]+ 4 cos\[\omega \,t\]. Which one of the following is the amplitude of this motion? [NDA]