A convex lens of power +4 D is brought in contact with a

power 4dYour 4DP™ profile displays your current peak average power in four key metrics: Neuromuscular Power (NM): This 5-second power result represents a combination of your raw sprint powerThe focal length of a lens with a power of +4D is 25 cm. Show More | Share Save. Class 12 PHYSICS GEOMETRICAL OPTICS. Topper's Solved these Questions. OPTICS BOOK -