Question

Weins displacement law is useful for finding:

• A. radius of a star
• B. temperature of a star
• C. mass of a star
• D. density of a star

Answer 1

Answer: (B)

temperature of a star

Answer 2

According to Wiens displacement law ${{\lambda }_{m}}T=\text{constant}$ From it we can find out the temperature of sun by $T\propto \frac{1}{{{\lambda }_{m}}}$