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 distance of an object placed before a concave mirror is 16cm from one focus and distance of its image 100cm from the focus. find the focal length and the magnification of the mirror.

the distance of an object placed before a concave mirror is 16cm from one focus and distance of its image 100cm from the focus. find the focal length and the magnification of the mirror.

Grade:11

1 Answers

Chetan Mandayam Nayakar
312 Points
11 years ago

let f be focal length.  1/(f+16) + 1/(f+100) = 1/f,     upon simplifying, we get f2 = 1600. f>0, thus f=40cm

magnification = u/v = 56/140 =2/5 =0.4

'Win exciting gifts by answering the questions on Discussion Forum.'

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