Question

An extremely hot star would appear to be

• A. Red
• B. Blue
• C. Yellow
• D. Orange

Answer 1

Answer: (B)

Blue

Answer 2

According to Wien's law, $\lambda_{m} \propto \frac{1}{T}.$ It means higher the temperature of a star, the lower is the wavelength of maximum intensity radiation emitted from star which tells the colour of star.