Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
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

The half life of radium is about 1600 years of 100 g of radium existing now, 25 g will remain unchanged after (a) 3200 years (b) 4800 years (c) 6400 years (d) 2400 years



The half life of radium is about 1600 years of 100 g of radium existing now, 25 g will remain unchanged after


(a)    3200 years


(b)    4800 years


        (c)    6400 years


        (d)    2400 years


Grade:10

1 Answers

Aditi Chauhan
askIITians Faculty 396 Points
7 years ago

(a)

100 g will become 25 g in two half lives so it is 3200 years.

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free