Advertisements
Advertisements
At the point of incidence, a line drawn at right angles to the surface, separating the two media, is called the normal.
Concept: undefined >> undefined
Write true or false
At the point of incidence, a line drawn at right angles to the surface, separating the two media, is called the normal.
Concept: undefined >> undefined
Advertisements
The focal length of a convex mirror is equal to its radius of curvature.
Concept: undefined >> undefined
Write true or false
The focal length of a convex mirror is equal to its radius of curvature.
Concept: undefined >> undefined
A .............. mirror is obtained on silvering the outer surface of a part of a hollow glass sphere.
Concept: undefined >> undefined
A ............ mirror always forms a virtual image.
Concept: undefined >> undefined
A ray of light passing through centre of curvature of a spherical mirror, after reflection
Concept: undefined >> undefined
The image formed by a convex mirror is
Concept: undefined >> undefined
The diagram given below in fig shows a ray of light AO falling on a surface separating two media. Draw the refracted ray in each, case.
Concept: undefined >> undefined
State two uses of a convex mirror.
Concept: undefined >> undefined
A driver uses a convex mirror as a rearview mirror. Explain the reason with the help of a ray diagram.
Concept: undefined >> undefined
A convex mirror is used as a shaving mirror.
Concept: undefined >> undefined
Radius of curvature of a spherical mirror is ............. its focal length.
Concept: undefined >> undefined
If the radius of curvature of a concave mirror is 20 cm, its focal length is:
Concept: undefined >> undefined
The image formed by a concave mirror is of the same size as the object, if the object is placed
Concept: undefined >> undefined
Complete the following diagrams in figure by drawing the reflected rays for the incident rays 1 and 2 if F is the focus and C is the centre of curvature.
Concept: undefined >> undefined
Draw a ray diagram to show the formation of the image of an object placed beyond the centre of curvature of a concave mirror. State the position, size and nature of the image.
Concept: undefined >> undefined
Draw a ray diagram to show the formation of image of an object placed at the centre of curvature of a concave mirror. State the position, size and nature of the image.
Concept: undefined >> undefined
Draw a ray diagram to show the formation of image of an object placed between the focus and centre of curvature of a concave mirror. State the position, size and nature of the image.
Concept: undefined >> undefined
