Lens Maker’s Formula Problems In Physics -Multiple Choice Questions Quiz

Interactive MCQs on “Lens Maker’s Formula Problems In Physics”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: What does the Lens Maker's Formula calculate?

(a) Focal length of a lens
(b) Refractive index of a lens
(c) Lens power
(d) Lens magnification

Question 2: The Lens Maker's Formula is applicable to which type of lenses?

(a) Convex lenses only
(b) Concave lenses only
(c) Both convex and concave lenses
(d) Diverging lenses only

Question 3: The formula for calculating the focal length (f) of a lens using the Lens Maker's Formula is:

(a) f = (n - 1) * (1 / R1 - 1 / R2)
(b) f = (n - 1) / (R1 - R2)
(c) f = (n + 1) * (1 / R1 + 1 / R2)
(d) f = (n + 1) / (R1 + R2)

Question 4: A lens has a refractive index of 1.5. If the radius of curvature of one surface is 20 cm and the other surface is 10 cm, what is the focal length of the lens?

(a) 5 cm
(b) 10 cm
(c) 15 cm
(d) 20 cm

Question 5: For a lens to act as a converging lens, its focal length should be:

(a) Positive
(b) Negative
(c) Zero
(d) Infinity

Question 6: For a lens to act as a diverging lens, its focal length should be:

(a) Positive
(b) Negative
(c) Zero
(d) Infinity

Question 7: A lens has a refractive index of 1.6. If the radius of curvature of one surface is 15 cm and the other surface is 30 cm, what is the focal length of the lens?

(a) 10 cm
(b) 15 cm
(c) 20 cm
(d) 25 cm

Question 8: A lens has a focal length of -12 cm. What type of lens is it?

(a) Convex lens
(b) Concave lens
(c) Diverging lens
(d) Biconvex lens

Question 9: The radius of curvature of the first surface of a lens is 10 cm, and the second surface is flat (infinite radius). If the refractive index of the lens material is 1.5, what is the focal length of the lens?

(a) -5 cm
(b) -10 cm
(c) -15 cm
(d) -20 cm

Question 10: A biconvex lens has a refractive index of 1.6. The radius of curvature of both surfaces is 12 cm. What is the focal length of the lens?

(a) 12 cm
(b) 15 cm
(c) 18 cm
(d) 20 cm