Practicing Success
Practicing Success
CUET Preparation Today
Light with an energy flux of 22 W cm-2 falls normally on a non-reflecting surface of area 20 cm2. The total amount of energy falling on the surface during a 30 minute time` span will be: |
$7.92 \times 10^4 J$ $1.32 \times 10^4 J$ $3.96 \times 10^4 J$ $7.92 \times 10^5 J$ |
$7.92 \times 10^5 J$ |
The correct answer is Option (4) → $7.92 \times 10^5 J$ |
