MCQ on Optics (Part 4)

State and Explain the Coulombs Law

What are cartesian sign conventions for spherical (concave and convex) mirrors?

You are given a concave mirror of focal length 50cm. How will you place an object in front of it, so that an image of double its size is obtained.

An object is placed in front of a concave mirror at a distance of 7.5 cm from it, image is formed at a distance of 30 cm from the mirror. Find the focal length of mirror when (i) Real image is formed (ii) Virtual image is formed.

Define focal length. What is the focal length of plane mirror, concave mirror and convex mirror?

How can you distinguish between a plane, convex and concave mirrors?

MCQ on Optics (Part 1)

MCQ on Optics (Part 2)

MCQ on Optics (Part 3)

MCQ on Optics (Part 4)

MCQ on Optics (Part 5)

Write a note on Charge.

What is Absolute and Relative Permitivity.

What is relation between Dielectric Constant and Force Between two Charges.

Define and explain capacitor in brief.

Discuss capacitors in series and in parallel.

Calculate capacitance of parallel plate capacitor?

Calculate capacitance of a cylindrical capacitor

Derive an expression to calculate capacitance of spherical capacitor formed by two concentric shell of radii (a) and (b)?