a2zinterviews

16.	Greater the refractive index ___ is the deviation.

Answer

Ans: less

17.	The alloy of nickel and chromium is called ____

Answer

Ans: Nichrome

18.	A blue objects reflects only ______

Answer

Ans: blue

19.	The power of a lens can be measured directly using _____

Answer

Ans: reciprocal of its focal length