(b) convexA convex mirror always forms a virtual image.
The image formed by a spherical mirror is virtual. The mirror will be : (a) concave (b) convex , (c) either concave or convex (d) metallic
Whatever be the position of the object, the image formed by a mirror is virtual, erect and smaller than the object. The mirror then must be : (a) plane (b) concave (c) convex (d) either concave or convex
Q. Which of the following is incorrect ?
a. A convex mirror can give a virtual image.
b. A convex mirror cannot give a real image.
c. A concave mirror can give a virtual image.
d. A concave mirror can give a diminished virtual image.
When sunlight is concentrated on a piece of paper by a spherical mirror or lens, then a hole can be burnt in it. For doing this, the paper must be placed at the focus of : (a) either a convex mirror or convex lens (b) either a concave mirror or concave lens (c) either a concave mirror or convex lens (d) either a convex mirror or concave lens