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The magnification of a convex mirror is always:
Which among the following is not true for a plane mirror?
When the image is of the same size as the object, the magnification is
The name and radius of curvature of a spherical mirror whose focal length is +2 cm is
No refraction occurs when light goes from
An object is situated at a distance of f/2 from a convex lens of focal length f. Distance of image will be
After reflection through a concave mirror, rays of light
Virtual image forms
Which lens always forms a virtual image?
What will happen when a ray enters from glass to air medium?
If the magnification has a negative sign, the image formed by the concave mirror must be
An object 4 cm tall is placed in front of a convex lens. It produces an image 3 cm tall. What is the magnification of the lens?
Two thin lenses of power +3.5 D and -2.5 D are placed in contact. Find the focal length of the lens combination.
Rahul is standing in front of a plane mirror. The distance between Rahul and his image is 150cm. If Rahul’s distance from the mirror is x. What could be the possible value of x?
The mirror used as rear view mirror is
Which one of the following materials cannot be used to make lens?
In a convex lens, where is the image formed, when an object is placed at 2F?
If the radius of curvature of a spherical mirror is 34.52 cm, then the focal length of that spherical mirror is
The focal length of a plane mirror is
A ray of light passes through the focus of the mirror. After reflection, it
An object is placed on the principal axis of a spherical mirror. The object distance u is:
The mirror formula is valid for
Raj is standing in front of a plane mirror. The distance between Raj and his image is 100cm. If the distance between the mirror and image is x. What could be the possible value of x?
The ratio of sine of angle of incidence to the sine of angle of refraction equals refractive index is called
When the image is of double size as the object, the magnification is