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: 11
        Find the energy, the frequency and the momentum of an X-ray photon of wavelength 0.10 nm. 
5 years ago

Answers : (1)

Deepak Patra
askIITians Faculty
471 Points
							λ = 01 nm
a) Energy = hc/ λ = 1242 ev.nm/0.1 nm
= 12420 ev = 12.42 Kev = 12.4 kev.
b) Frequency = C/ λ = 3 * 10^8/0.1 * 10^9 = 3 *10^8/10^-10 = 3 * 10^18Hz
c) Momentum = E/C = 12.4 * 10^3 *1.6 * 10^-19/3* 10^^8 = 6.613 * 10^-24 kg-m/s = 6.62 * 10^-24 kg-m/s

						
5 years ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies


Course Features

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


Course Features

  • 110 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