• All bodies radiate heat when their temperatures are above
    A) 0° CB) 0 K C) 273 K D) 273°C
  • As temperature increases the brightest part of the spectrum,
    A) Shifts towards violet end
    B) Shifts towards red end
    C) All parts remain equally bright at all temperatures
    D) All parts are not equally bright but brighter part does not depend on temperature
  • As temperature increases the amount of energy radiated by a hot body,
    A) increases B) does not change C) decreases D) None
  • The energy radiated by a black body
    A) is distributed equally amongst all the wavelengths
    B) Higher wavelengths carry greater amount of energy
    C) Lower wavelengths carry greater amount of energy
    D) Energy distribution depends on temperature
  • Color of a hot body as perceived by eye
    A) will be red when temperature is high
    B) will be red when temperature is low
    C) will be blue when temperature is low
    D) will be yellow when temperature is low