282838
In order to increase the angular magnification of a simple microscope, one should increase
1 the object size
2 the aperture of the lens
3 the focal length of the lens
4 the power of the lens
Explanation:
D: In order to increase angular magnification of a simple microscope, we should increase power of lens.
Angular magnification \((\mathrm{m})=\frac{\mathrm{D}}{\mathrm{f}}\)
\(\mathrm{D}=\) least distance of distant vision
\(\mathrm{f}=\) focal length
DCE-2009
Ray Optics
282839
The objective lens of an optical instrument is an achromatic combination with a focal length of \(90 \mathrm{~cm}\). The two lens possess dispersive powers 0.024 and 0.036 respectively and are in contact with each other. Then their focal lengths are
282840
For the study of the helical structure of nucleic acids, the property of electromagnetic radiation, generally used is:
1 reflection
2 interference
3 diffraction
4 polarization
Explanation:
D: Polarization property of electromagnetic radiation is used for the study of helical structure of nucleic acids.
AP EAMCET(Medical)-2005
Ray Optics
282841
In the achromatic prism, we have
1 deviation without dispersion
2 deviation without division
3 refraction without deviation
4 deviation and dispersion
Explanation:
A: Achromatic prism is made by combining two or more prism of different refractive index so, when a ray of light or other non homogeneous light passing through the prism is deviated but not dispersed into a spectrum hence, deviation without dispersion.
282838
In order to increase the angular magnification of a simple microscope, one should increase
1 the object size
2 the aperture of the lens
3 the focal length of the lens
4 the power of the lens
Explanation:
D: In order to increase angular magnification of a simple microscope, we should increase power of lens.
Angular magnification \((\mathrm{m})=\frac{\mathrm{D}}{\mathrm{f}}\)
\(\mathrm{D}=\) least distance of distant vision
\(\mathrm{f}=\) focal length
DCE-2009
Ray Optics
282839
The objective lens of an optical instrument is an achromatic combination with a focal length of \(90 \mathrm{~cm}\). The two lens possess dispersive powers 0.024 and 0.036 respectively and are in contact with each other. Then their focal lengths are
282840
For the study of the helical structure of nucleic acids, the property of electromagnetic radiation, generally used is:
1 reflection
2 interference
3 diffraction
4 polarization
Explanation:
D: Polarization property of electromagnetic radiation is used for the study of helical structure of nucleic acids.
AP EAMCET(Medical)-2005
Ray Optics
282841
In the achromatic prism, we have
1 deviation without dispersion
2 deviation without division
3 refraction without deviation
4 deviation and dispersion
Explanation:
A: Achromatic prism is made by combining two or more prism of different refractive index so, when a ray of light or other non homogeneous light passing through the prism is deviated but not dispersed into a spectrum hence, deviation without dispersion.
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Ray Optics
282838
In order to increase the angular magnification of a simple microscope, one should increase
1 the object size
2 the aperture of the lens
3 the focal length of the lens
4 the power of the lens
Explanation:
D: In order to increase angular magnification of a simple microscope, we should increase power of lens.
Angular magnification \((\mathrm{m})=\frac{\mathrm{D}}{\mathrm{f}}\)
\(\mathrm{D}=\) least distance of distant vision
\(\mathrm{f}=\) focal length
DCE-2009
Ray Optics
282839
The objective lens of an optical instrument is an achromatic combination with a focal length of \(90 \mathrm{~cm}\). The two lens possess dispersive powers 0.024 and 0.036 respectively and are in contact with each other. Then their focal lengths are
282840
For the study of the helical structure of nucleic acids, the property of electromagnetic radiation, generally used is:
1 reflection
2 interference
3 diffraction
4 polarization
Explanation:
D: Polarization property of electromagnetic radiation is used for the study of helical structure of nucleic acids.
AP EAMCET(Medical)-2005
Ray Optics
282841
In the achromatic prism, we have
1 deviation without dispersion
2 deviation without division
3 refraction without deviation
4 deviation and dispersion
Explanation:
A: Achromatic prism is made by combining two or more prism of different refractive index so, when a ray of light or other non homogeneous light passing through the prism is deviated but not dispersed into a spectrum hence, deviation without dispersion.
282838
In order to increase the angular magnification of a simple microscope, one should increase
1 the object size
2 the aperture of the lens
3 the focal length of the lens
4 the power of the lens
Explanation:
D: In order to increase angular magnification of a simple microscope, we should increase power of lens.
Angular magnification \((\mathrm{m})=\frac{\mathrm{D}}{\mathrm{f}}\)
\(\mathrm{D}=\) least distance of distant vision
\(\mathrm{f}=\) focal length
DCE-2009
Ray Optics
282839
The objective lens of an optical instrument is an achromatic combination with a focal length of \(90 \mathrm{~cm}\). The two lens possess dispersive powers 0.024 and 0.036 respectively and are in contact with each other. Then their focal lengths are
282840
For the study of the helical structure of nucleic acids, the property of electromagnetic radiation, generally used is:
1 reflection
2 interference
3 diffraction
4 polarization
Explanation:
D: Polarization property of electromagnetic radiation is used for the study of helical structure of nucleic acids.
AP EAMCET(Medical)-2005
Ray Optics
282841
In the achromatic prism, we have
1 deviation without dispersion
2 deviation without division
3 refraction without deviation
4 deviation and dispersion
Explanation:
A: Achromatic prism is made by combining two or more prism of different refractive index so, when a ray of light or other non homogeneous light passing through the prism is deviated but not dispersed into a spectrum hence, deviation without dispersion.