UNIT 10 LIGHT GR.6

The world's largest telescope is on the island of:

• MAXICO

• La Plama

• Caribbean

------------- mirrors are called diverging mirrors because they make the reflected light rays spread out.

• plane

• convex

• concave

The angle of ----------------- is always equal to the angle of reflection.

• INCIDENCE

• DIFFRACTION

• REFRACTION

An image formed in a ----------------- mirror is upright, virtual, laterally inverted, equal in size to object.

• CONCAVE

• CONVEX

• PLANE

There are --------------- main types of mirrors.

• 2

• 3

• 4

The image formed by pinhole camera is:

• real, inverted , smaller than the object

• virtual, inverted, smaller than the object

• real, inverted, equal in size to object

A --------------- is a toy which uses light and mirrors to reflect objects and create patterns.

• Periscope

• telescope

• kaleidoscope

• pin hole camera

Which mirrors are used as rear- view mirrors in cars?

• CONVEX MIRROR

• CONCAVE MIRRORS

• PLANE MIRRORS

When an object is very close to a concave mirror, the image formed will be:

• real

• virtual

• inverted

Hubble space telescope was launched in :

• AUGUST 1990

• APRIL 1990

• APRIL 1999