Light travels in_______

• straight line

• curved line

• zig-zag line

• randomly

When an opaque object comes in the path of light it forms

• (a) an image with colours

• (b) shadow

• (c) black and white image

• (d) depends on the colour of the light

Tags

NGSS.MS-PS4-2

3)Which types of objects do not allow light to pass through them?

• (a) Translucent

• (b) Opaque

• (c) Transparent

• (d) Penumbra

Tags

NGSS.MS-PS4-2

4)Which is an example of a translucent object?

• (a) A thin sheet of paper

• (b) A thin glass slab

• (c) A thin iron sheet

• (d) All of these

Tags

NGSS.MS-PS4-2

5)Bouncing back of light from shining surfaces is called

• (a) Reflection

• (b) Refraction

• (c) Bending

• (d) Dispersion

Tags

NGSS.MS-PS4-2

6)What is lateral inversion?

• (a) Image becomes inverted

• (b) Image bends laterally

• (c) Right of the object appears left of the image

• (d) All of these happen

Tags

NGSS.MS-PS4-2

7)An example for the Rectilinear Propagation of light

• a)Formation of clouds

• b)Formation of day and night

• c) Formation of rainbow

• d) Formation of rain

8)The process of light turning back after striking the shiny side of mirror is called

• (a)Refraction

• (b)Shadow

• (c)Reflection

• (d)Umbra

Tags

NGSS.MS-PS4-2

9)The speed of light

• a)299,792km/s

• b)299,792m/s

• c)29,792km/s

• d)29,791m/s

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

10)This screen is a must to receive the shadow

• a)transparent screen

• b) Opaque screen

• c) Translucent screen

• d)No screen