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: 7
        
The critical angle for light wave going from a medium in which wave length is 4000 A to a medium in which wave length is 6000 A is......
 
8 months ago

Answers : (1)

Arun
13167 Points
							
we know that
(v1/v2)=(w1/w2)=(u2/u1)
v=velocity in medium
w=wavelength
u=refractive index
=       u2/u1=6000/4000=3/2
=       u1/u2=2/3
=       u2sin C=u1sin90    Cis critical angle
=        sinC=u1/u2
=        C=sin^-1(2/3)  
8 months ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies

Get Extra Rs. 1,590 off

COUPON CODE: SELF10


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

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


Get Extra Rs. 64 off

COUPON CODE: SELF10

Ask Experts

Have any Question? Ask Experts

Post Question

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