A Plano-Convex Lens Is to Have a Focal Length of Magnitude

question 81

Multiple Choice

A plano-convex lens is to have a focal length of magnitude 40 cm, and it is made of glass of index of refraction 1.65. What radius of curvature is required?

• A) 26 cm
• B) 36 cm
• C) 13 cm
• D) 32 cm

Understand the concept of standard costing and its criticisms.

Analyze sales price and sales volume variances.

Discuss the handling of variances in standard costing systems.

Understand the application of standard rates in overhead costing.

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