Physics Optical Instruments Test Online Preparation Mcqs

Physics Optical Instruments Test Online Preparation Mcqs With Answers Start Below

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Question 1 of 15

1. The function of collimator in spectrometer is
A.
B.
C.
D.

Question 1 of 15

Question 2 of 15

2. Light signals pass through multimode graded index fiber due to
A.
B.
C.
D.

Question 2 of 15

Question 3 of 15

3. The central image in compound microscope is
A.
B.
C.
D.

Question 3 of 15

Question 4 of 15

4. Which one type of fibre is more suitable for transmission of signals in which white light is used?
A.
B.
C.
D.

Question 4 of 15

Question 5 of 15

5. There is noticeable boundary between core and cladding for
A.
B.
C.
D.

Question 5 of 15

Question 6 of 15

6. The speed of light in the medium of refractive index of 1.5 is
A.
B.
C.
D.

Question 6 of 15

Question 7 of 15

7. Image of an object 5 mm high is only 1 cm high. Magnification produced by lens is
A.
B.
C.
D.

Question 7 of 15

Question 8 of 15

8. Least distance of distinct vision of normal and healthy people
A.
B.
C.
D.

Question 8 of 15

Question 9 of 15

9. Michelson devised the formula to calculate speed of light
A.
B.
C.
D.

Question 9 of 15

Question 10 of 15

10. If an object is placed away from ‘2f’ of a converting lens, then the image will be
A.
B.
C.
D.

Question 10 of 15

Question 11 of 15

11. Magnifying power of simple microscope
A.
B.
C.
D.

Question 11 of 15

Question 12 of 15

12. A surf board moves at a aped of 5ms-1on the crests of the wave. The distance between wave crests is 10m. What is the frequency of the wave motion
A.
B.
C.
D.

Question 12 of 15

Question 13 of 15

13. Critical angle is that incident angle in denser medium for which angle of refraction is
A.
B.
C.
D.

Question 13 of 15

Question 14 of 15

14. Michelson calculated the speed of light using the instrument
A.
B.
C.
D.

Question 14 of 15

Question 15 of 15

15. Magnification of the astronomical telescope is
A.
B.
C.
D.

Question 15 of 15


 

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