Radius of curvature = 20 cm. We know thatFocal length is equal to half of Radius of curvature. Therefore,Focal length = Radius of curvature / 2 = 20/2 = 10 cm The focal length is10 cm.
Radius of curvature = 20 cm.
We know thatFocal length is equal to half of Radius of curvature. Therefore,Focal length = Radius of curvature / 2
= 20/2
= 10 cm
The focal length is10 cm.
The point at whichrays parallel to principal axiscoming from infinity convergeafter being reflected from concave mirroris called the principal focus of concave mirror.
The point at whichrays parallel to principal axiscoming from infinity convergeafter being reflected from concave mirroris called the principal focus of concave mirror.
Since the student is unable is unable to see faraway object, he is suffering from myopia.In Myopia, the person is unable to see far away clearly but can see near objects clearly. This defect of vision can be corrected by using spectacles having a concave lens of appropriate power.
Since the student is unable is unable to see faraway object, he is suffering from myopia.In Myopia, the person is unable to see far away clearly but can see near objects clearly. This defect of vision can be corrected by using spectacles having a
concave lens of appropriate power.
The farthest point where human eye can see is called Far Point of Eye.It is infinity.The nearest Point where human eye can see is called Near Point of Eye.It is 25 cm from the eye.
The farthest point where human eye can see is called Far Point of Eye.It is infinity.The nearest Point where human eye can see is called Near Point of Eye.It is 25 cm from the eye.
Myopia is defect in which a person is unable to see far objects, but can see near object.It can be corrected with the help of aconcave lensof suitable focal length.
Myopia is defect in which a person is unable to see far objects, but can see near object.It can be corrected with the help of aconcave lensof suitable focal length.
The radius of curvature of a spherical mirror is 20 cm. What is its focal length?
Radius of curvature = 20 cm. We know thatFocal length is equal to half of Radius of curvature. Therefore,Focal length = Radius of curvature / 2 = 20/2 = 10 cm The focal length is10 cm.
Radius of curvature = 20 cm.
See lessWe know thatFocal length is equal to half of Radius of curvature. Therefore,Focal length = Radius of curvature / 2
= 20/2
= 10 cm
The focal length is10 cm.
Define the principal focus of a concave mirror.
The point at whichrays parallel to principal axiscoming from infinity convergeafter being reflected from concave mirroris called the principal focus of concave mirror.
The point at whichrays parallel to principal axiscoming from infinity convergeafter being reflected from concave mirroris called the principal focus of concave mirror.
See lessA student has difficulty reading the blackboard while sitting in the last row. What could be the defect the child is suffering from? How can it be corrected?
Since the student is unable is unable to see faraway object, he is suffering from myopia.In Myopia, the person is unable to see far away clearly but can see near objects clearly. This defect of vision can be corrected by using spectacles having a concave lens of appropriate power.
Since the student is unable is unable to see faraway object, he is suffering from myopia.In Myopia, the person is unable to see far away clearly but can see near objects clearly. This defect of vision can be corrected by using spectacles having a
See lessconcave lens of appropriate power.
What is the far point and near point of the human eye with normal vision?
The farthest point where human eye can see is called Far Point of Eye.It is infinity.The nearest Point where human eye can see is called Near Point of Eye.It is 25 cm from the eye.
The farthest point where human eye can see is called Far Point of Eye.It is infinity.The nearest Point where human eye can see is called Near Point of Eye.It is 25 cm from the eye.
See lessA person with a myopic eye cannot see objects beyond 1.2 m distinctly. What should be the type of the corrective lens used to restore proper vision?
Myopia is defect in which a person is unable to see far objects, but can see near object.It can be corrected with the help of aconcave lensof suitable focal length.
Myopia is defect in which a person is unable to see far objects, but can see near object.It can be corrected with the help of aconcave lensof suitable focal length.
See less