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Question

When an object is moved slowly and gradually closer to a convex mirror from infinity towards the pole (P), what can we say about the image?

The correct answer is
Moves from the principal focus (F) towards the pole (P)

Convex Mirror Image Movement Analysis

A convex mirror consistently forms images that are virtual, erect, and diminished. These images are always located between the pole (P) and the principal focus (F) of the mirror.

Initial Position: When the object is at infinity, the image is formed exactly at the principal focus (F). This image is virtual and highly diminished.

Movement Scenario: As the object starts moving slowly from infinity towards the pole (P), the image undergoes a corresponding movement.

  • The image begins its journey from the principal focus (F).
  • It gradually moves away from the focus and closer to the pole.
  • The image position shifts from F towards P.

Therefore, as the object moves from infinity towards the pole of a convex mirror, the image moves from the principal focus (F) towards the pole (P).

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Important Questions from Physics

  1. Two balls, A and B, are thrown simultaneously, a vertically upward with a speed of 20 m/s from the ground and B vertically downward from a height of 40 m with the same speed and along the same line of motion. At what points do the two balls collide by taking acceleration due to gravity as 9.8 m/s 2?

  2. On the basis of which principle does soap clean surfaces?

  3. Which one of the following devices is used to measure atmospheric pressure?

  4. Which one of the following energy is stored in the links between the atoms?

  5. Who among the following has explained the phenomenon of photoelectric effect?

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