MY CART (5)

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

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: R

There are no items in this cart.
Continue Shopping
Menu
pavan kumar PV Grade: 11
        10 gms of 57 Cobalt kept in a container beta decays with a half life of 270 days. The wt. of the material inside the container after 540 days will be nearly?


6 years ago

Answers : (1)

vikas askiitian expert
510 Points
										

W/Wi = (1/2)T/t                         (t = half life  &  T is time , Wi = 10gms)


after 540 days


W/Wi = (1/2)540/270 = (1/2)2 =1/4


 W = Wi /4 = 10/4 = 2.5grams


 approve my ans if u like

6 years ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies
  • Complete Physics Course - Class 12
  • OFFERED PRICE: R 2,600
  • View Details
Get extra R 520 off
USE CODE: CART20
  • Complete Physics Course - Class 11
  • OFFERED PRICE: R 2,800
  • View Details
Get extra R 560 off
USE CODE: CART20

Ask Experts

Have any Question? Ask Experts

Post Question

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