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 ?
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
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 :
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 :
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
A plane mirror produces a magnification of
A plane mirror produces a magnification of
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
the radius of cuvature of plane mirror is :
the radius of cuvature of plane mirror is :
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 ?