Light

We are not able to see the candel flame through a bent pipe beacuse

• of the colour of the produced by the flame

• light travels along a straight line

• of the absence of convex mirror

The surface of the water

• change the path of the light

• will not change the path of the light

• act as a insulator

Image formed by a plane mirror is

• virtual and erect

• real and erect

• virtual and inverted

• real and inverted

A mirror changes the direction of light that falls on it . this change of direction by a mirror is called ________

• reflection of sound

• reflection of light

• reflection

• reflectaion of light

You are provided with a concave mirror, a convex mirror, a concave lens and a convex lens. To obtain an enlarged image of an object you can use either

• concave mirror or convex mirror

• concave mirror or convex lens

• concave mirror or concave lens

• concave lens or convex lens

What is an image ?

• The impression of the object created by the light on the mirror

• The impression of the object on a paper

• The impression of the object created by the sound

  on the mirror

_______ enables us to view our surrounding

• convex mirror

• air

• light

An image being in such a position that top and bottom are reversed is :

• erect

• virtual

• concave

• inverted

Choose the correct spelling

• convax

• concav

• convex

• both a and b

What is true about Plane mirror?

• The image formed by a plane mirror is always virtual and erect

• It shows lateral inversion

• The distance of the object from the mirror is equal to the distance of the image from the mirror, that is, image distance is equal to object distance

• All the above