In the case of a compound microscope, the image formed by the objective lens is:

 1 Virtual, erect, and diminished. 2 Real, erect, and magnified. 3 Virtual, inverted, and enlarged. 4 Real, inverted, and enlarged.

Subtopic:  Simple & Compound Microscope |
71%
From NCERT
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The correct statement is:

 1 The intermediate image in a compound microscope is real, erect and magnified 2 Intermediate image in a compound microscope is real, inverted, but diminished 3 Intermediate image in a compound microscope is virtual, erect and magnified 4 Intermediate image in a compound microscope is real, inverted and magnified
Subtopic:  Simple & Compound Microscope |
71%
From NCERT
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Focal lengths of objective and eyepiece of a compound microscope are 2 cm and 6.25 cm respectively. An object AB is placed at a distance of 2.5 cm from the objective which forms the image A'B' as shown in the figure. Maximum magnifying power in this case, will be:

 1 10 2 20 3 5 4 25
Subtopic:  Simple & Compound Microscope |
68%
From NCERT
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The magnification of a compound microscope for the final image at the least distance of distinct vision is $$90$$. The magnification of the objective lens is $$15$$. The value of the focal length of the eyepiece will be:
1. $$5$$ cm
2. $$6$$ cm
3. $$1\over6$$ cm
4. $$12$$ cm

Subtopic:  Simple & Compound Microscope |
66%
From NCERT
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If the focal length of the objective lens is increased, then magnifying power of:

 1 microscope will increase but that of telescope decrease 2 microscope and telescope both will increase 3 microscope and telescope both will decrease 4 microscope will decrease but that of the telescope will increase
Subtopic:  Simple & Compound Microscope |
67%
From NCERT
AIPMT - 2014
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A microscope has an objective of focal length 1.5 cm and an eye–piece of focal length 2.5 cm. If the distance between objective and eye-piece is 25 cm, what is the approximate value of magnification produced for relaxed eye?

 1 75 2 110 3 140 4 25
Subtopic:  Simple & Compound Microscope |
64%
From NCERT
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The focal length of the objective lens and the eye lens is 4 mm and 25 mm respectively in a compound microscope. The distance between objective and eyepiece lens is 16 cm. Find its magnifying power for relaxed eye position:

 1 32.75 2 327.5 3 0.3275 4 None of the above

Subtopic:  Simple & Compound Microscope |
61%
From NCERT
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In a compound microscope, the magnification is $$95$$, the distance of the object from the objective lens is $$\frac{1}{3.8}~\text{cm}$$ and the focal length of the objective is $$\frac{1}{4}~\text{cm}$$. What is the magnification of the eyepiece when the final image is formed at the least distance of distinct vision?
1. $$5$$
2. $$10$$
3. $$100$$
4. none of the above

Subtopic:  Simple & Compound Microscope |
From NCERT
AIPMT - 1999
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