In case of a compound microscope which of the following statements is / are correct?
- 1. The focal length of the eye piece is larger than the focal length of the objective
- 2. The focal length of the eye piece is smaller than the focal length of the objective
- 3. The image produced in a normal optical microscope is real
- 4. The image produced in a normal optical microscope is virtual
Select the correct answer using the code given below:
1 only
1 and 4
2 and 3
2 and 4
Answer is Wrong!
Answer is Right!
This question was previously asked in
UPSC NDA-2 – 2015
– Statement 2 is incorrect. The focal length of the eyepiece is typically larger than that of the objective.
– Statement 3 is incorrect. The final image produced by a compound microscope and viewed by the observer is a virtual image. The objective lens forms a real intermediate image, but the eyepiece forms a virtual image of this intermediate image.
– Statement 4 is correct. The final image observed through the eyepiece of a compound microscope is virtual, magnified, and inverted relative to the original object.