MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping
Menu
Grade: 12
        
A laser weld detachedretains emits light with awavelength 652nm.in pulses that are of 20m.duration . The average power during each pulse is 0.6w. The energy each pulse and single photon are
6 months ago

Answers : (1)

Arun
20865 Points
							
Dear student
 
E(ev) = 1240/652 = 1.9 ev (in a single photon)
Energy in 20 ms = 20 * 0.6 * 10^-3 = 1.2 * 10^-2 joules
= 1.2 * 10^-2/ 1.6 * 10^-19
= 7.5 * 10^16 ev
 
 
 
Regards
Arun (askIITians forum expert)
6 months ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies


Course Features

  • 731 Video Lectures
  • Revision Notes
  • Previous Year Papers
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Test paper with Video Solution


Course Features

  • 57 Video Lectures
  • Revision Notes
  • Test paper with Video Solution
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Previous Year Exam Questions


Ask Experts

Have any Question? Ask Experts

Post Question

 
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!! Click Here for details