Anil Pannikar AskiitiansExpert-IITB
Last Activity: 13 Years ago
Dear Rajan,
- here f0 is threshold frequency
- so, 1.2 = hf - ψ
- and, 4.2 = 1.5hf - ψ
- solve for ψ
Please feel free to ask your queries here. We are all IITians and here to help you in your IIT JEE preparation.
All the best.
Win exciting gifts by answering the questions on Discussion Forum. So help discuss any query on askiitians forum and become an Elite Expert League askiitian.
Now you score 5+15 POINTS by uploading your Pic and Downloading the Askiitians Toolbar respectively : Click here to download the toolbar..
Askiitians Expert
Anil Pannikar
IIT Bombay