The coefficient of absorption and reflection of thin uniform plate are 0.75 and 0.20, respectively. If 200 kcal of heat is incident on the surface of plate, find the quantity of heat transmitted.

The coefficient of absorption and the coefficient of the reflection of a thin uniform plate are 0.75 and 0.20 respectively. If 200 kcal of heat is incident on the surface of the plate, find the quantity of heat transmitted.

The coefficient of absorption and coefficient of reflection of a thin uniform plate are 0.75 and 0.20, respectively. If 200 K cal of heat is incident on the surface of the plate, find the quantity of heat transmitted.

The coefficient of absorption and reflection on the surface of the thin plate are 0.74 and 0.22, respectively. If 184 calories of radiant heat is incident on the surface of the plate, find the quantities of heat absorbed, reflected, and transmitted.

The coefficient of absorption and reflection of the surface of a body are 0. 75 and 0.20 respectively. If 200 calorie of radiant heat is incident on the surface of the body, then the beat absorbed is

The coefficients of reflection and transmission of the surface of a thin plate are 0.22 and 0.04 respectively. If 250 calories of radiant heat is incident on the surface of the plate, how much heat is absorted by the surface?

The coefficient of absorption of heat surface of a body is 0.68. When 100 calories of heat is incident on the body, 27 calories are reflected from the surface. Find the coefficient of transmission of the body.

The coefficient of static and dynamic friction between a body and the surface are 0.75 and 0.5 respectively. A force is applied to the body to make it just slide with a constant acceleration which is

The coefficient of absorption of a surface is 0.6. When radiant energy is incident on the surface at 1500 J//min , the energy reflected in 5 minutes is 450 J. Find the coefficient of reflection and transmission of the surface.

A refrigerator door is 150 cm high, 80 cm wide and 6 cm thick. If the coefficient of conductiviy is 0.0005 (cal)/(cm s^@C) and the inner and outer surfaces are at O^@C and 30^@C respectively, then what is the heat loss (in calories) per minute through the door?

The door of a refrigerator is 150 cm. high, 80 cm wide and 6 cm thick. If the coefficient of thermal conductivity is 5 xx 10^-4 cal//cm . s. ^@C and the inner and outer surfaces are at 0^@C and 30^@C respectively. Calculate heat loss through the door in 1 minute.