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The magnifying power of simple microscope is

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Important Questions on Ray Optics

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JEE Main
IMPORTANT
Physics Crash Course JEE Main>Chapter 18 - Ray Optics>Level 1>Q 49
The magnifying power of simple microscope, when image is formed at DDV, is (where f is its focal length)
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JEE Main
IMPORTANT
Physics Crash Course JEE Main>Chapter 18 - Ray Optics>Level 1>Q 50
When the final image is formed at infinity, the magnifying power of the compound microscope is (using new Cartesian sign conventions)
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JEE Main
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Physics Crash Course JEE Main>Chapter 18 - Ray Optics>Level 1>Q 51
An astronomical telescope has an eyepiece of focal length 5 cm. The angular magnification in normal adjustment is 10. When the final image is at least at a distance of distinct vision (25 cm) from eye piece, then angular magnification will be
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JEE Main
IMPORTANT
Physics Crash Course JEE Main>Chapter 18 - Ray Optics>Level 1>Q 52
The length L of compound microscope when final image is formed at D.D.V is given by
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JEE Main
IMPORTANT
Physics Crash Course JEE Main>Chapter 18 - Ray Optics>Level 1>Q 53
To increase the angular magnification of a simple microscope, one should increase
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Physics Crash Course JEE Main>Chapter 18 - Ray Optics>Level 1>Q 54
The minimum magnifying power of telescope is M. If the focal length of its eye lens is halved, the magnifying power will become
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JEE Main
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Physics Crash Course JEE Main>Chapter 18 - Ray Optics>Level 1>Q 55
In a motor car, spherical mirrors are utilised at two different places,
(i) the head light and
(ii) rear view mirror. What type of mirrors are used?
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JEE Main
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Physics Crash Course JEE Main>Chapter 18 - Ray Optics>Level 1>Q 56

A short linear object O is placed on the principal axis of convex mirror of focal length f as shown in the figure. The ratio of transverse magnification to longitudinal magnification is :

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