Q. Energy of a quanta of frequency $10^{15}\ Hz$ and $h = 6.6 \times 10^{- 34}J$-$s$ will be
A) $6.6 \times 10^{- 19}J$
B) $6.6 \times 10^{- 12}J$
C) $6.6 \times 10^{- 49}J$
D) $6.6 \times 10^{- 41}J$
Explanation
(a) $E = hv = 6.6 \times 10^{- 34} \times 10^{15} = 6.6 \times 10^{- 19}J$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.