Welcome Visitor! Login | Sign Up | Help!

Refer a Friend

|

Follow us on:

Advanced

More

Home » Ask & Discuss » Chemistry
« Back to Discussion



Physical Chemistry
speed
New kid on the Block

Joined: 17 Apr 2012
Post: 18
4 May 2012 09:57:41 IST
0 People liked this
4
287 View Post
photoelectric effect
Engineering Entrance , Medical Entrance , NEET , JEE Main , AIIMS , JEE Main & Advanced , Chemistry , Physical Chemistry

Calculate the threshold frequency of metal if the binding energy is 180.69KJ/mole.Please write the steps also.


Comments (4)
M kartik
Cool goIITian

Joined: 29 Mar 2012
Posts: 62
4 May 2012 11:03:47 IST
0 people liked this

 h*threshold frequency(K)= binding energy

K=180.69/h

please like my answer
Reply

speed
New kid on the Block

Joined: 17 Apr 2012
Posts: 18
4 May 2012 11:15:54 IST
0 people liked this

please elaborate the answer
Reply

H Hari Narayanan
New kid on the Block

Joined: 31 Mar 2012
Posts: 2
4 May 2012 12:07:42 IST
0 people liked this

binding energy of electron = -180.69 kj/mol (since it is bound to the nucleus)

therefore it is the negative of the binding energy of the electron f the electron that need to be supplied to cause its ionisation.

therefore i,E = 180.69 Kj/mole.

Thank You

 
Reply

speed
New kid on the Block

Joined: 17 Apr 2012
Posts: 18
4 May 2012 12:31:48 IST
0 people liked this

So what is the frequency?
Reply


Quick Reply


Reply
Some HTML allowed.
Keep your comments above the belt or risk having them deleted.
Signup for a avatar to have your pictures show up by your comment
If Members see a thread that violates the Posting Rules, bring it to the attention of the Moderator Team
Free Sign Up!
Sponsored Ads

Preparing for JEE?

Kickstart your preparation with new improved study material - Books & Online Test Series for JEE 2014/ 2015


@ INR 5,443/-

For Quick Info

Name

Mobile

E-mail

City

Class

Vertical Limit

Top Contributors
All Time This Month Last Week
1. Bipin Dubey
Altitude - 16545 m
Post - 7958
2. Himanshu
Altitude - 10925 m
Post - 3836
3. Hari Shankar
Altitude - 10050 m
Post - 2205
4. edison
Altitude - 10815 m
Post - 7802
5. Sagar Saxena
Altitude - 8625 m
Post - 8064
6. Yagyadutt Mishr..
Altitude - 6330 m
Post - 1979

Find Posts by Topics

Physics

Topics

Mathematics

Chemistry

Biology

Parents Corner

Board

Fun Zone

35,229,755
Engineering Questions Attempted		 6,69,530
Visitors Monthly		 79
Engg. Exam Covered		 3311
Students Currently Online		 Connect with Us

How can we improve this site for you?


Vriti Communities
Privacy Policy © Vriti 2011