Question

the sun angular diameter is measured to be of 1/2degree. the distance d of the sun from the earth is 1.496x10^11m. what is the diameter of the Sun?​

Answer 1

Answer:

We know that 1

′′

=(

3600

1

)×

180

π

rad

Angular diameter θ=1920

′′

=1920×

3600×180

π

rad=0.0093 rad

Diameter d=θ r=0.0093×1.496×10

11

m=1.39×10

9

m