LIGHT AND OPTICS

LIGHT AND OPTICS

Characteristics of light

Multiple Choice

Light travels in a

• straight line

• horizontal line only

• vertical line only

• none of the above

Multiple Choice

Below are types of mirrors except

• plane mirror

• virtual mirror

• cpncave mirror

• convex mirror

Multiple Choice

Choose the correct use of mirrors

• plane mirror makes a room look spacious

• concave mirror used to see all corners of a shop

• convex mirror used by dentist

• concave mirror used to produce spectrum

Open Ended

Give the Law of reflection

Multiple Choice

Choose the wrong statement

• The angle of incidence is the same as reflected angle

• White light consists of seven components of colour

• Sky appears blue because of scattering of light

• Shadow is formed because of the refraction of light

Multiple Select

Tick the correct options

• Periscope uses the refraction of light

• Sky appears blue in midday because blue light is scattered the most

• Image formed by plane mirror is virtual

• Image formed by convex mirror is real

• Refraction does not occur when incident ray is parallel to the normal