The distance between the focus and pole of the mirror

A particle goes in a circle of radius 2.0 cm. A concave mirror of focal length 20 cm is placed with its principal axis passing through the centre of the circle and perpendicular to its plane. The distance between the pole of the mirror and the centre of the circle is 30 cm. Calculate the radius of the circle formed by the image.

A small particle is placed at the pole of a concave mirror and then moved along the principal axis to a large distance. During the motion, the distance between the pole of the mirror and the image is measured. The prodedure is them repeated with convex mirror, a concave lens and a convex lens. the object is plotted between image distance versus shown in graph with the mirror or lens that is corresponding it. (curve 1 has two segments)

An object is placed in front of a convex mirror at a distance of 50cm. A plane mirror is introduced covering the lower half of the convex mirror. If the distance between the object and the plane mirror is 30cm, it is found that there is no parallax between the images formed by the two mirrors. What is the radius of curvature of the convex mirror?

A biconvex lens of focal length 15cm is in front of a plane mirror. The distance between the lens and the mirror is 10cm. A small object is kept at distance of 30cm from the lens. The final image is

An object is placed at 20 cm from a convex mirror of focal length 20 cm. The distance of the image from the pole of the mirror is

Write the distance between the vertex and focus of the parabola y^2+6y+2x+5=0.

To find index error e distance between object needle and pole of the concave mirror is 20 cm . The separation between the indices of object needle and mirror was observed to be 20.2 cm in some observation, the observed image distance is 20.2 cm and the object distance is 30.2 cm find (a) the index error e. (b) focal length of the mirror f .

A point source is situated at a distance x lt f from the pole of the concave mirror of focal length f. At time t=0 the point source starts moving away from the mirror with constant velocity. Which of the graphs below represents best, variation of image distance |v| with distance x between the pole of mirror and the source.

The distance between the poles of a horse shoe magnet is 0.1 m and its pole strength is 0.01 amp-m. The induction of magnetic field at a point midway between the poles will be

An object is placed at a distance f in the front of a convex mirror. If focal length of the mirror is f, then distance of image from pole of the mirror is