If an object is placed away from 2f of a converging lens then the image will be_______________?

Related Mcqs:

1. A convex lens of focal length f1 and a concave lens of focal length f2 are placed in contact. The focal length of the combination is_____________?

   A. f2 + f1 B. f2 – f1 C. f1f2/f2+f1 D. f1f2/f1-f2...

2. Image of an object 5 mm high is only 1 cm high. Magnification produced by lens is__________________?

   A. 0.5 B. 0.2 C. 1 D. 2...

3. The minimum distance between an object and its real image in a convex lens is_____________?

   A. 2 f B. 2.5 f C. 3f D. 4f...

4. A convex lens acts as a diverging lens if the_________________?

   A. object is beyond C B. if the object is with in C C. if the object is within f D. both B and C...

5. A convex lens gives a virtual image only when the objects lies_________________?

   A. between principal focus and center of curvature B. beyond 2 f C. at the principal focus D. between principal focus and optical center...

6. A lens which converges a beam of parallel rays to a point is called______________?

   A. diverging (or concave) lens B. converging (or convex) lens C. plano concave lens D. plano convex lens...

7. The diameter of a lens is called________________?

   A. focal length B. principal axis C. aperture D. radius of curvature...

8. Unit of power of a lens is________________?

   A. meter B. watt C. diopter D. horsepower...

9. If a convex lens of large aperture fails to converge the light rays incident on it to a single point, it is said to suffer from______________?

   A. chromatic aberration B. spherical aberration C. both spherical and chromatic D. distortion...

10. A point where the incident parallel rays of light converge or appear to diverge after passing through a lens is called______________?

    A. center of curvature B. focus C. optical center D. aperture...