A lens has a power of +0.5D. It is:

A lens has a power of +0.5D. It is:

Q. A lens has a power of +0.5D. It is:

A.            A concave lens of local length 5 m

B.            A convex lens of focal length 2 m

C.            A convex lens of focal length 5 m

D.            A concave lens of focal length 2 m

 Answer: A convex lens of focal length 2 m

Gkseries: Gkseries.com is a premier website to provide complete solution for online preparation of different competitive exams like UPSC, SBI PO, SBI clerical, PCS, IPS, IAS, IBPS PO, IBPS Clerical exam etc. & other graduate and post-graduate exams. Learn more on about us page