Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
A thin equiconvex lens (mu = 3/2) of focal length 10 cm is cut and separated and a material of refractive index 3 is filled between them. What is the focal length of the combination?
08
Oct
A thin equiconvex lens (mu = 3/2) of focal length 10 cm is cut and separated and a material of refractive index 3 is filled between them. What is the focal length of the combination? A thin equiconvex lens (mu = 3/2) of focal length 10 cm is cut and separated and a material of [...]
You are given two identical plano-convex lens. When you place an object 20 cm to the left of a single plano-convex lens, the image appears 40 cm to the right of the lens. You then arrange
08
Oct
You are given two identical plano-convex lens. When you place an object 20 cm to the left of a single plano-convex lens, the image appears 40 cm to the right of the lens. You then arrange the image appears 40 cm to the right of the lens. You then arrange You are given two identical [...]
The magnifying power of an astronomical telescope is 5. When it is set for normal adjustment, the distance between the two lenses is 24 cm. Calculate the focal length of its eyepiece and that of its
08
Oct
The magnifying power of an astronomical telescope is 5. When it is set for normal adjustment, the distance between the two lenses is 24 cm. Calculate the focal length of its eyepiece and that of its the distance between the two lenses is 24 cm. Calculate the focal length of its eyepiece and that of [...]
The total magnification produced by a compound microscope is 20, while that produced by the eye-piece alone is 5. When the microscope is focused on a certain object, the distance
08
Oct
The total magnification produced by a compound microscope is 20, while that produced by the eye-piece alone is 5. When the microscope is focused on a certain object, the distance the distance The total magnification produced by a compound microscope is 20 while that produced by the eye-piece alone is 5. When the microscope is [...]
The focal lengths of the objective and eye-piece of a compound microscope are 4 cm and 6 cm respectively. If an object is placed at a distance of 6 cm from the objective, find the distance
08
Oct
The focal lengths of the objective and eye-piece of a compound microscope are 4 cm and 6 cm respectively. If an object is placed at a distance of 6 cm from the objective, find the distance find the distance The focal lengths of the objective and eye-piece of a compound microscope are 4 cm and [...]
The magnifying power of an astronomical telescope in the normal adjustment position is 100. The distance between the objective and eye-piece is 101 cm. Calculate the focal lengths
08
Oct
The magnifying power of an astronomical telescope in the normal adjustment position is 100. The distance between the objective and eye-piece is 101 cm. Calculate the focal lengths The magnifying power of an astronomical telescope in the normal adjustment position is 100. The distance between the objective and eye-piece is 101 cm. Calculate the focal [...]
A person has normal far point (infinity) and near point (25 cm). He intends to read a book using a magnifying glass of focal length 5 cm. What is (a) the closest and (b) the farthest distance at
08
Oct
A person has normal far point (infinity) and near point (25 cm). He intends to read a book using a magnifying glass of focal length 5 cm. What is (a) the closest and (b) the farthest distance at A person has normal far point (infinity) and near point (25 cm). He intends to read a [...]
A converging lens of focal length 6.25 cm is used as a magnifying glass. If the near point of the observer is 25 cm from the eye and the lens is held close to the eye, calculate:
08
Oct
A converging lens of focal length 6.25 cm is used as a magnifying glass. If the near point of the observer is 25 cm from the eye and the lens is held close to the eye, calculate: A converging lens of focal length 6.25 cm is used as a magnifying glass. If the near point [...]
A concave lens is made of crown glass and radii of curvatures equal to 25 cm and 30 cm. Compute the longitudinal chromatic aberration for the lens. Take refractive indices of crown
08
Oct
A concave lens is made of crown glass and radii of curvatures equal to 25 cm and 30 cm. Compute the longitudinal chromatic aberration for the lens. Take refractive indices of crown A concave lens is made of crown glass and radii of curvatures equal to 25 cm and 30 cm. Compute the longitudinal chromatic [...]
The dispersive power of the material of a lens is 0.026 and it produces a chromatic aberration of 0.351 cm. Calculate its focal length for mean colour.
08
Oct
The dispersive power of the material of a lens is 0.026 and it produces a chromatic aberration of 0.351 cm. Calculate its focal length for mean colour. The dispersive power of the material of a lens is 0.026 and it produces a chromatic aberration of 0.351 cm. Calculate its focal length for mean colour. October [...]