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NEST2018PhysicsRay Optics

The distance between an object and a screen is 18 cm . A lens of focal length 4 cm is placed between them so that the image of the object is formed on the screen. Then

Options

  1. Athe lens is 6 cm from the screen and the image is twice the size of the object.
  2. Bthe lens is 12 cm from the screen and the image is twice the size of the object.
  3. Cthe lens is 9 cm from the screen and the image is the same size as the object.
  4. Dthe lens is 15 cm from the screen and the image is five times the size of the object.

Correct answer

B. the lens is 12 cm from the screen and the image is twice the size of the object.

Step-by-step solution

No solution available.

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