Answer :

Answer:

9.9384 ×10‐³⁰ J

Explanation:

E = hv

= hc/ lambda

= hc v

E = hvc

E = 66 × 10-³ × 5 × 10- × 3 × 10

= 6.6 × 15 × 10-³¹

= 9.9384 × 10-³ J

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