An object is 8 cm high. It is desired to form a real image 4 cm high at 60 cm from

⇦

⇨

An object is 8 cm high. It is desired to form a real image 4 cm high at 60 cm from the mirror. The type of mirror needed with the focal length is

Options

(a) convex mirror with focal length f=40 cm
(b) convex mirror with focal length f=20 cm
(c) concave mirror with focal length f=-40 cm
(d) concave mirror with focal length f=-20 cm

Correct Answer:

convex mirror with focal length f=40 cm

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

Related Questions:

1. If critical angle for a material to air passage is 30°, the refractive index
2. A particle starts its motion from rest under the action of a constant force
3. Dimensions of resistance in an electrical circuit, in terms of dimension of mass M,
4. An object moving with a speed of 6.25 m/s, is deaccelerated at a rate given by
5. Two pendulums A and B are oscillating simultaneously with time period

Topics: Ray Optics (94)
Subject: Physics (2479)

---

Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score

18000+ students are using NEETLab to improve their score. What about you?

Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.

---

Share this page with your friends