Email
Chat with tutor
logo

Ask Questions, Get Answers

X
 
Answer
Comment
Share
Q)

Light of wavelength $4000\: A^{\circ}$ and intensity $100 W/m^2$ is incident on a plate of threshold frequency $ 5.5 \times 10^{14}Hz$. The no. of photons incident per $m^2$ per second is

$\begin {array} {1 1} (a)\;2.02 \times 10^{20} & \quad (b)\;2.02 \times 10^{22} \\ (c)\;202 \times 10^{20} & \quad (d)\;202 \times 10^{22} \end {array}$

 

1 Answer

Home Ask Tuition Questions
Your payment for is successful.
Continue
Clay6 tutors use Telegram* chat app to help students with their questions and doubts.
Do you have the Telegram chat app installed?
Already installed Install now
*Telegram is a chat app like WhatsApp / Facebook Messenger / Skype.
...