Question

6. Show that following are the perfect squares
(use pattern III)
(i) 169
(ii) 64
(iii) 144​

Answer 1

Step-by-step explanation:

hllo

here freq. = 3 × 10^15

Energy = h× freq

E = 6.62 × 10^-34 × 3×10^15

E = 19.86 × 10-19J

or

E = 1.98 × 10^-18 ~ 2×10^-18 J

and in erg

E = 2 × 10^-11 erg