Respuesta :
The thermometer had most likely gotten a very high number on it from the heat of the light bulb. The longer he light bulb was on, the higher the number went on the thermometer.
Explanation:
When thermometer was placed near the light bulb then there will be transfer of heat in the form of light energy.
Light traveled through the space and therefore, it transmitted its energy in the form to heat to the bulb of thermometer.
As a result, the bulb of thermometer will become warm and thus, it will show an increase in temperature.