Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Engineering
  • a) define the focal length of a divergent lens b) A divergent lens of focal length 30 cm forms the image of an object of size 6cm on the same side as the object at a distance of 15 cm from its optical center. Use lens formula to determine the

a) define the focal length of a divergent lens

b) A divergent lens of focal length 30 cm forms the image of an object of size 6cm on the same side as the object at a distance of 15 cm from its optical center. Use lens formula to determine the distance of the object from the lens the size of the image formed.

 

 

 

 
 
 
 
 

Answers (1)

(a) The focus of a divergent i.e. concave lens is the point on the principal axis from which the light rays parallel to the axis is diverged after passing through the lens. The distance between the pole of the concave lens and principal focus is called Focal length.

(b) Given: Focal length. f =-30 cm

Size of the object, h = 6 cm

Image distance, v = -15 cm

Posted by

Satyajeet Kumar

View full answer

JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE

Similar Questions

Trending Articles/News

anam-khan

JoSAA round 2 cut-off 2025 out; BTech closing ranks for top engineering courses at IITs
anam-khan

Goa Engineering Admission 2025: 1,415 eligible for BE seats; merit list on June 27
anam-khan

CSAB NEUT counselling 2025 registration begins today for BTech admissions in NE states, UTs

Latest Question