A simple telescope

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A simple telescope, consisting of an objective of focal length 60 cm and a single eye lens of focal length 5 cm is focused on a distant object in such a way that parallel rays emerge from the eye lens. If the object subtends an angle of 2^o at the objective, the angular width of the image is
15
Nov
A simple telescope, consisting of an objective of focal length 60 cm and a single eye lens of focal length 5 cm is focused on a distant object in such a way that parallel rays emerge from the eye lens. If the object subtends an angle of 2^o at the objective, the angular width of [...]
Posted in: Cengage NEET by C.P Singh , Chapter 19 - Optical Instruments , Part 2 ,
Tags: A simple telescope , its magnifying power , When the length of a microscope tube increases ,
If the focal length of the objective lens and the eye lens are 4 mm and 25 mm respectively in a compound microscop[e. The length of the tube is 16 cm. Find its magnifying power for relaxed eye position
12
Sep
If the focal length of the objective lens and the eye lens are 4 mm and 25 mm respectively in a compound microscop[e. The length of the tube is 16 cm. Find its magnifying power for relaxed eye position A simple telescope The light ray is incidence at angle of 60∘ on a prism of [...]
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Tags: A simple telescope , The light ray is incidence at angle of 60∘ on a prism of angle 45∘ . When the light ray falls on the other surface at 90∘ , the refractive index of the material of prismμ and the angle of devaition δ are given by ,
The diameter of the moon is 3.5 × 10^3 km and its distance from the earth is 3.8 × 10^5 km. It is seen by a telescope having the focal length of the objective and the eye-piece as 4 m and 10 cm respectively. The diameter of the image of the moon will be approximately
12
Sep
The diameter of the moon is 3.5 × 10^3 km and its distance from the earth is 3.8 × 10^5 km. It is seen by a telescope having the focal length of the objective and the eye-piece as 4 m and 10 cm respectively. The diameter of the image of the moon will be approximately [...]
Posted in: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Tags: A simple telescope , The light ray is incidence at angle of 60∘ on a prism of angle 45∘ . When the light ray falls on the other surface at 90∘ , the refractive index of the material of prismμ and the angle of devaition δ are given by ,
In an astronomical telescope in normal adjustment a straight black line of length L is drawn on inside part of objective lens. The eye piece forms a real image of this line. The length of this image is I. The magnification of the telescope is
12
Sep
In an astronomical telescope in normal adjustment a straight black line of length L is drawn on inside part of objective lens. The eye piece forms a real image of this line. The length of this image is I. The magnification of the telescope is A simple telescope The light ray is incidence at angle [...]
Posted in: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Tags: A simple telescope , The light ray is incidence at angle of 60∘ on a prism of angle 45∘ . When the light ray falls on the other surface at 90∘ , the refractive index of the material of prismμ and the angle of devaition δ are given by ,
If the focal length of objective and eye lens are 1.2 cm and 3 cm respectively and the object is put 1.25cm away from the objective lens and the final image is formed at infinity. The magnifying power of the microscope is
12
Sep
If the focal length of objective and eye lens are 1.2 cm and 3 cm respectively and the object is put 1.25cm away from the objective lens and the final image is formed at infinity. The magnifying power of the microscope is A simple telescope The light ray is incidence at angle of 60∘ on [...]
Posted in: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Tags: A simple telescope , The light ray is incidence at angle of 60∘ on a prism of angle 45∘ . When the light ray falls on the other surface at 90∘ , the refractive index of the material of prismμ and the angle of devaition δ are given by ,
The focal length of objective and eye lens of a astronomical telescope are respectively 2m and 5cm . Final image is formed at (i) least distance of distinct vision (ii) infinity. The magnifying power in both cases will be
12
Sep
The focal length of objective and eye lens of a astronomical telescope are respectively 2m and 5cm . Final image is formed at (i) least distance of distinct vision (ii) infinity. The magnifying power in both cases will be A simple telescope The light ray is incidence at angle of 60∘ on a prism of [...]
Posted in: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Tags: A simple telescope , The light ray is incidence at angle of 60∘ on a prism of angle 45∘ . When the light ray falls on the other surface at 90∘ , the refractive index of the material of prismμ and the angle of devaition δ are given by ,
A simple telescope, consisting of an objective of focal length 60 cm and a single eye lens of focal length 5 cm is focussed on a distant object in such a way that parallel rays comes out from the eye lens. If the object subtends an angle 2∘ at the objective, the angular width of the image
12
Sep
A simple telescope, consisting of an objective of focal length 60 cm and a single eye lens of focal length 5 cm is focussed on a distant object in such a way that parallel rays comes out from the eye lens. If the object subtends an angle 2∘ at the objective, the angular width of [...]
Posted in: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Tags: A simple telescope , The light ray is incidence at angle of 60∘ on a prism of angle 45∘ . When the light ray falls on the other surface at 90∘ , the refractive index of the material of prismμ and the angle of devaition δ are given by ,