Part 2
A compound microscope has a magnification 30. The focal length of eyepiece is 5 cm. If the final image is formed at least distance of distinct vision (25 cm). Find the magnification produced by the objective is
15
Nov
A compound microscope has a magnification 30. The focal length of eyepiece is 5 cm. If the final image is formed at least distance of distinct vision (25 cm). Find the magnification produced by the objective is A simple magnifying lens is used in such a way that an image is formed at 25 cm [...]
The focal length of the objective of a compound microscope is f0 and its distance from the eyepiece is L. The object is placed at a distance u from the objective. For proper working of the instrument.
15
Nov
The focal length of the objective of a compound microscope is f0 and its distance from the eyepiece is L. The object is placed at a distance u from the objective. For proper working of the instrument. The focal length of the objective of a compound microscope is f0 and its distance from the eyepiece [...]
The focal lengths of the objective and of the eye-piece of a compound microscope are f0 and fe respectively. If L is the tube length and D, the least distance of distinct vision, then its angular magnification, when the image is formed at infinity, is
15
Nov
The focal lengths of the objective and of the eye-piece of a compound microscope are f0 and fe respectively. If L is the tube length and D, the least distance of distinct vision, then its angular magnification, when the image is formed at infinity, is is The focal lengths of the objective and of the [...]
The magnifying power of a compound microscope is
15
Nov
The magnifying power of a compound microscope is The magnifying power of a compound microscope is November 15, 2020 Category: Cengage NEET by C.P Singh , Chapter 19 - Optical Instruments , Part 2 ,
A simple magnifying lens is used in such a way that an image is formed at 25 cm away from the eye. In order to have 10 times magnification, the focal length of the lens should be
15
Nov
A simple magnifying lens is used in such a way that an image is formed at 25 cm away from the eye. In order to have 10 times magnification, the focal length of the lens should be A simple magnifying lens is used in such a way that an image is formed at 25 cm [...]
The image of an object placed in front of a concave mirror of focal length 12 cm is formed at a point which is 10 cm more distant from the mirror than the object. The magnification of the image is:
05
Nov
The image of an object placed in front of a concave mirror of focal length 12 cm is formed at a point which is 10 cm more distant from the mirror than the object. The magnification of the image is: A concave mirror has focal length 15 cm. Where should an object be placed in [...]
The sun subtends an angle of half a degree at the pole of a concave mirror which has a radius of curvature of 15m.Then the size(diameter) of the image of the sun formed by the concave mirror is
29
Oct
The sun subtends an angle of half a degree at the pole of a concave mirror which has a radius of curvature of 15m.Then the size(diameter) of the image of the sun formed by the concave mirror is The sun subtends an angle of half a degree at the pole of a concave mirror which [...]
A concave mirror forms on a screen a real image of thrice the linear dimensions of the object. Object and screen are moved until the image is twice the size of the object. If the shift of the object is 6 cm then find the shift of the screen and the focal length of the mirror.
29
Oct
A concave mirror forms on a screen a real image of thrice the linear dimensions of the object. Object and screen are moved until the image is twice the size of the object. If the shift of the object is 6 cm then find the shift of the screen and the focal length of the [...]
A square wire of side 3.0 cm is placed 25 cm in front of a concave mirror of focal length 10 cm with Its center on the axis of the mirror and its plane normal to the axis. The area enclosed by the image of the wire is
29
Oct
A square wire of side 3.0 cm is placed 25 cm in front of a concave mirror of focal length 10 cm with Its center on the axis of the mirror and its plane normal to the axis. The area enclosed by the image of the wire is A concave mirror has focal length 15 [...]
A concave mirror has focal length 15 cm. Where should an object be placed in front of the mirror so that the image formed is three times the size of the object?
29
Oct
A concave mirror has focal length 15 cm. Where should an object be placed in front of the mirror so that the image formed is three times the size of the object? A concave mirror has focal length 15 cm. Where should an object be placed in front of the mirror so that the image [...]