A three-dimensional image is obtained by________________?

Related Mcqs:

1. Dimensional analysis is helpful for__________________?

   A. Deriving a possible formula
   B. Checking the homogeneity of a physical equation
   C. Verification of laws
   D. Only A and B are correct

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

   A. real and erect
   B. virtual and erect
   C. real and inverted
   D. virtual

3. Final image produced by a compound microscope is_____________?

   A. real and inverted
   B. real and erect
   C. virtual and erect
   D. virtual and inverted

4. 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

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. 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

7. A person wears spectates with concave lenses. It means that normally (when not using glasses), the image of distant objects is focused in his eyes:

   A. behind the retina
   B. in front of the retina
   C. on the retina
   D. on the blind spot

   Submitted by: Abid Hussain

8. The name of the photon for quantum of light was proposed by________________?

   A. Ampere
   B. Plank
   C. Thomson
   D. Einstein

9. Internal resistance is the resistance offered by________________?

   A. source of EMF
   B. conductor
   C. resistor
   D. capacitor

10. The performance of a refrigerator is described by________________?

    A. efficiency
    B. coefficient of performance
    C. both A and B
    D. not described