the method of conjugate foci can be used to determine the focal length
the method of conjugate foci can be used to determine the focal length
two plane mirror are inclined at an angle of 60° . The total number of images formed by the two mirrors is
two plane mirror are inclined at an angle of 60° . The total number of images formed by the two mirrors is
an object is placed at a distance of 40 cm from a concave mirror of focal length 15 cm . If the object is displaced through a distance of 20 cm towards the mirror, the displacement of the image will be :
an object is placed at a distance of 40 cm from a concave mirror of focal length 15 cm . If the object is displaced through a distance of 20 cm towards the mirror, the displacement of the image will be :
Where should an object be placed in front of a concave mirror of focal length f so that the image to be of the same size as the object ?
Where should an object be placed in front of a concave mirror of focal length f so that the image to be of the same size as the object ?
in an experiment with a concave mirror, the object is placed at a distance x from the focus and the image is formed at a distance y from the focus. The focal length of the mirror will be :
in an experiment with a concave mirror, the object is placed at a distance x from the focus and the image is formed at a distance y from the focus. The focal length of the mirror will be :
the radius of cuvature of plane mirror is :
the radius of cuvature of plane mirror is :
A plane mirror produces a magnification of
A plane mirror produces a magnification of
the angle between incident ray and reflected ray is 70°. What is the angle of incidence ?
the angle between incident ray and reflected ray is 70°. What is the angle of incidence ?
How many images will be formed if two mirrors are fitted on the adjacent walls and one mirror on the ceiling ?
How many images will be formed if two mirrors are fitted on the adjacent walls and one mirror on the ceiling ?
when a mirror is rotated through an anlge 10°, the reflected ray from it turns through an angle of
when a mirror is rotated through an anlge 10°, the reflected ray from it turns through an angle of