Subject: Effect of radiation on exposing to sunlight in dark room

In a dark room with ambient temperature T1, a blackbody is kept at temperature
T2.  Keeping the temperature of blackbody constant at T2, sunrays are allowed to
fall on the blackbody through a hole in the roof of dark room.  Assuming there
is no change in the ambient temperature of the room will the quantity of
radiation absorbed by the blackbody in unit time increase?  Will the
reflected energy in unit time by blackbody remain the same?

If the temperature is constant of both room and blackbody why will 
amount of radiation per unit time increase with time?  Does blackbody 
reflect energy?  I have read that it only absorbs and radiates.

Re: Effect of radiation on exposing to sunlight in dark room