Question

Let the wavelength at which the the spectral emissive power of a black body (at a temperature T ) is maximum, be denoted by max .As the temperature of the body is increased by 1 K , max decreases by 1 percent .The temperature T of the black body is

Answer 1

to avoid direct sunlight to avoid the action of light because by exposing to the sunlight the medicine will act as poisonous so some bottles are kept in black bottles. hope it will help you