Question

4. The value of Planck's constant is 6.63 x 10 *34 Js. The velocity
of light is 3.0 x 10*8 ms'. Which
value is closest to the wavelength in nanometers of a quantum of light with frequency of 8 x 10*15
a) 3 x 10
b) 2 x 10
c) 5 x 10
d) 4 x 10​

Answer 1

$\underline\mathfrak{ANSWER:-}$

➼The correct option is : (c) 4 x 10

➭  Explanation : Applying (u) = c/λ