Two separate thin lenses are put in contact with each other, then combined power of the lenses
A
decreases.
No worries! Weāve got your back. Try BYJUāS free classes today!
B
increases.
No worries! Weāve got your back. Try BYJUāS free classes today!
C
may increase or decrease.
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
remains same.
No worries! Weāve got your back. Try BYJUāS free classes today!
Open in App
Solution
The correct option is C may increase or decrease. Peff=P1+P2. Change will depend on magnitude and sign of the power of different nature of lenses combined.