What is the SI unit for the power of the lens? – McqOptions

MCQOPTIONS

1.	What is the SI unit for the power of the lens?
A.	Watt
B.	Dioptre
C.	Meter
D.	Centimeter
Answer» C. Meter

Discussion

No Comment Found

Related MCQs

A ray of light travels from a medium of refractive index m1 to a medium of refractive index m2. If i and r are the angle of incidence and refraction, then what is sin(i)/sin(r)?
What is the least distance for distinct vision?
At what distance the image will be formed when an object is placed 25 cm from a convex lens whose focal length is 10 cm?
What type of image is produced by a concave lens?
At what distance the object should be placed, when convex lens is used as simple magnifying glass?
How will be the image formed, when an object is placed 12 cm from a convex lens, whose focal length is 10 cm?
What will be the focal length of a convex lens having power -1.5 D?
What will be the power of convex lens having focal length 50 cm?
If the magnification is positive and greater than unity, what does it indicate?
Name the lens used in a simple microscope.