Magnification of the astronomical telescope is_____________?

Related Mcqs:

1. For normal adjustment, length of astronomical telescope is______________?

   A. fo + fe
   B. fo – fe
   C. fo / fe
   D. fe / fo

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. 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

4. Final image produced by a compound microscope is_____________?

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

5. 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

6. The number of categories in which physical quantities are divided is_____________?

   A. 1
   B. 2
   C. 3
   D. 4

7. Terminal velocity is_____________?

   A. Uniform
   B. Maximum
   C. Uniform and maximum
   D. Neither uniform nor maximum

8. Total number of series in hydrogen spectrum is_____________?

   A. three
   B. four
   C. five
   D. six

9. Ground state energy of the 4th orbit in a H-atom is_____________?

   A. 13.60 eV
   B. 3.40 eV
   C. 0.85 eV
   D. 1.51 eV

10. To obtain an n-type semiconductor germanium crystal it must be doped with foreign atoms whose valency is_____________?

    A. 2
    B. 3
    C. 4
    D. 5